每日商務英語 第517期:天天地

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day in and day out------天天地（非正式）

英文釋義
(INFORMAL) Without stopping; continuous; occurring every day. (NOTE: often describes something boring or negative)

例句
In some tropical regions it rains day in and day out during certain times of the year.
一些熱帶地區在一年的某段時期中天天下雨。