因为when意思为当……时候或等于就在那个时候
而while虽然也翻译成当……时候,但它有对比作用,
比如:while I was doing my homework ,my bother was playing
the computer games(有两者的对比)
因为when意思为当……时候或等于就在那个时候
而while虽然也翻译成当……时候,但它有对比作用,
比如:while I was doing my homework ,my bother was playing
the computer games(有两者的对比)