為什麽 the day before yesterday 和the day after tomorrow 前面沒有或不用介詞
因為它們就像yesterday
,
today
壹樣，沒有說on
today
吧。。
比如說
Today
is
sunday
.
Yesterday
is
sunday.
The
day
before
yesterday
is
sunday
.
而不說
On
today
is
sunday
.
On
the
day
before
yesterday
is
sunday.
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