1、This is a serious problem.

2、This leaves us with a serious problem.

3、Ms. Solomon, we've got a serious problem.

4、He is awake to the serious problem.

5、Mess isn't a serious problem, but being chronically short-tempered is a very serious problem.

6、Noticeable signs and symptoms don't always indicate a serious problem.

7、Data sparseness is a serious problem in collaborative filtering system.

8、The most serious problem was the worsening of external unbalance.

9、How can you dally with such a serious problem?

10、For the Alps this is a serious problem.

11、The problem of naming and identifying topological entities becomes a serious problem with feature technology.

12、A serious problem in the application of direct methods is the problem of phase degeneration.

13、Fusarium and Verticillium wilts of cotton are still the serious problem of cotton production in China.

14、[font=Calibri]That suggests a serious problem, but not a catastrophic banking crisis.

15、In many cases, there are no safety devices or alarms to warn of a serious problem.

16、Uncontrolled population growth is widely acknowledged to be a serious problem, moreover.

17、Head injuries are a more serious problem for older people than for younger people.

18、The United States' budget deficit is a serious problem, and there have been serious proposals to deal with it, such as those by the bipartisan Bowles-Simpson Commission.

19、The Joint Photographic Experts Group developed lossless JPG technology to combat this serious problem of quality degradation.

20、Mites, scale, and white fly are occasionally attracted to succulents, pose a more serious problem, and are difficult to eradicate.

21、An even more serious problem would be if the contractor or sub-contractor sues you, for whatever reason.

22、The St Pauli neighbourhood association says the Wildpinklers have become such a serious problem that it had to act.

23、The more we learn about chemicals, the more it seems that we do have a serious problem.

24、Staffing everywhere show local characteristics, the personnel structure differently, staffing unreasonable becomes to a serious problem, the structure of personnel needed to optimize imperatively.

25、The reform in the government approval system has achieved great progress while there still exists a serious problem of lack of value.

26、The most serious problem was the vast range of material available and the consequent difficulty of organizing it into some system.

27、The interests of landless farmers have not received proper protection in the process of China's rapid urbanization, which has become a serious problem.

28、In order to solve the serious problem of personal relationship in western society, E. Erich Fromm put forward his theory "productive love".

29、Now in fact everyone knows about the dangers of smoking, so that is not a serious problem; but it is a problem when the hazards of a product are not widely known.

30、The serious problem that the quantity of the information increases in geometric series and the share request of the cross platform makes many application systems now face one same problem that they must immigrate themselves to the internet.