not的釋義：
adv.(否定后面的詞或短語(yǔ)，或作否定的回答)不;(構(gòu)成動(dòng)詞be、do和have及情態(tài)動(dòng)詞can或must等的否定形式，常縮略為n't)沒(méi)有
例句：
The problem is not primarily a financial one.
這個(gè)問(wèn)題基本上不是財(cái)政問(wèn)題。
This will not be possible in the changed economic climate.
這在經(jīng)濟(jì)氣候已經(jīng)改變的條件下是不可能的。
It was not a propitious time to start a new business.
那不是營(yíng)業(yè)開(kāi)張的吉時(shí)佳日。
It would be preferable to employ two people, not one.
雇請(qǐng)兩個(gè)人比雇請(qǐng)一個(gè)更好。
The results of the experiment are not statistically significant.
從統(tǒng)計(jì)學(xué)的觀點(diǎn)看，實(shí)驗(yàn)結(jié)果意義不明顯。