下文中出现的A,B,“……”(某事物),“sb”(somebody), 要在写作中要根据上下文进行适当替换。
开头:
When it comes to.。., some think.。.
There is a public debate today that.。.
A is a common way of.。., but is it a wise one?
Recently the problem has been broughtsintosfocus.
提出观点:
Now there is a growing awareness that.。.
It is time we explore the truth of.。.
Nowhere in history has the issue been more visible.
进一步提出观点:
。..but that is the only part of the history.
Another equally important aspect is.。.
A is but one of the many effects. Another is.。.
Besides, other reasons are.。.
提出假想例子的方式:
Suppose that