less..than...
not more...than
not so...as
at best as...as...
四种比较句式用法和语境上的区别是什么?可以互相转换吗?
1. less..than :比...少;比...程度低
A shower uses less water than a bath.
淋浴比盆浴用水少。
2. not more...than:不比...多;不比...程度高(隐含“至多一样”)
This book is not more expensive than that one.
这本书不比那本书贵。(两种可能:1.前者便宜;2.价格一样)
3. not so...as:不如
This book is not so expensive as that one.
这本书不如那本书贵。(一种可能:前者便宜)
4. at best as...as... 至多一样
At best he can do as much as last year.
他充其量能做到跟去年一样多。
我认为,以上表达各具特色,意思有细微差别,各自记住即可。没必要学会转换表达。
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