estimate估計(jì)
demands需求
in terms of 說(shuō)到；在……方面
custom 風(fēng)俗
customer 顧客
tear -- tore 撕破
only to do 不料，沒(méi)想到
I tore open the box,only to discover that some papers were missing.
If the work to be completed by the end of this month is delayed,the construction company will be heavily fined.
it's hard to remember a name when one doesn't have a face to go with it .如果沒(méi)見(jiàn)過(guò)面很難記住一個(gè)人的名字
Never before has he seen any lady who can play tennis as well as Maria.之前從來(lái)沒(méi)見(jiàn)過(guò)
The used car I bought cost four thousandpounds.有具體的數(shù)字用單數(shù)
What's the matter with you? You look so pale.一般現(xiàn)在時(shí)
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