11.   Of course, nature being unjust as ever, I have no biological clock of my own.

12.   One can understand why a cheerful nature is important.

13.   Short-term cases are often small children to whom the separation is so alarming that its temporary nature is irrelevant to them.

14.   Sometimes nature is just as strange as ancient legends.

15.   The nature of things was to be elusive.

16.   Their nature is multifarious, but they are mainly from other professionals in other organizations or from informed amateur botanists or gardeners.

17.   What is certainly true is that nature is not as straight forward as we like to suppose.

18.   Fourth, nature would be closer.

19.   Nature is never idle.