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標題: what is the difference between when, while, as and since [打印本頁]

作者: heiB 時間: 11-12-13 16:15 標題: what is the difference between when, while, as and since

What is the difference between when, while, as and since.

It seems that there is no difference between when, while and as. Can any one give me further details. thanks.

作者: wsl05 時間: 11-12-14 20:06

while= action is needed to take much more time to do

when= no need to take long time to do it compared with above

作者: smallfoothk 時間: 11-12-15 19:12 標題: delete

sorry, thanks

[ 本帖最後由 smallfoothk 於 11-12-15 19:15 編輯 ]

作者: kiiiiiller 時間: 11-12-15 19:26

DELETE THE WRONG MESSAGE

[ 本帖最後由 kiiiiiller 於 11-12-15 19:33 編輯 ]

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