肯定句跟and, 否定句跟or. M! h [/ }" v3 y$ K
小学学的吧? 2 _- X, a4 I/ p* o2 L. `/ z三思 发表于 2011-8-15 18:31
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不能一概而论,要分清从逻辑上你到底要表达什么意思。比如你说:# y9 y% ^8 P% d' P
4 k' v8 _( d8 S6 \; o z2 nDon't drink and drive.0 ]* C% }4 z0 g0 h
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I didn't hit and run. ; `5 x4 Z; h2 H _4 x + u) k: s7 l2 y. J5 j% Y要是把and换成or,那意思就又不对了。
In imperative sentences, you use "and" to indicate not to do the two things at the same time. For example, you may tell your kids "Don't eat and play." They can either eat or play, but just not at the same time. 0 o3 Z1 h. Q) T- a' K/ i7 D 6 [1 g p( c4 Z0 ?0 HYou use "or" to indicate that neither action is permitted. For instance, you may tell your kids "Don't drink or smoke."
In imperative sentences, you use "and" to indicate not to do the two things at the same time. For example, you may tell your kids "Don't eat and play." They can either eat or play, but just not at the ... ! R6 y( f% [9 [0 Q( q# b$ N' Q竹声 发表于 2011-8-21 13:17