名理句型

1) It is usually the case that

2) It is plain common sense---the more/less the more/less

3) The serious reality had taught us a lesson: not being environment friendly will be avenged

mercilessly.

4) As a proverb says/as is known to all/as a popular saying goes,

5) I can think of no better illustration than an English poem/adage which goes like this:

6) The old story of can serve as a good illustration that