“变卦”的拼音

昨天他变卦了，说提价只是试行。Yesterday he changed his tune, saying the fare increase was experimental.你从今天早上就变卦了，是不是？You've changed your tune since this morning, haven't you?他因为在几个关键问题上临场变卦而备受批评。He has been criticized for fl...

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