時間
介
系詞
:
for
和
since
我們使用
for
來度量時間
(
秒鐘、
分鐘、小時、天數、月和年
)
：
He held his breath
for
nine minutes.
She's lived there
for
six years.
The British and Irish have been quarreling
for
seven centuries.
對於特定的日期或時間，我們使用
since
：
He's worked here
since
1993.
She's been sitting in the waiting room
since
three-thirty.
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