11.   As a means of controlling a project they have two weaknesses.

12.   Both of these points of view have serious weaknesses, but in fact the one-phoneme analysis is generally chosen by phonologists.

13.   Surveys of this kind can provide the basis for many generalisations about geographical variation, but they have serious weaknesses, which will be discussed later.

14.   Also, crucial witnesses had glaring weaknesses in credibility.

15.   American Brands, on the other hand, has some weaknesses.

16.   And he does have weaknesses to overcome.

17.   And, truth be known, most economists have a weakness for clever fixes that exploit free markets.

18.   Apparently, Howard has always had a weakness for the mob.

19.   Balaban said it was dangerous for scientists to leap to conclusions with small studies that could have weaknesses in their method.