中英释义：
双语例句
有时候，你只需要笑来缓解压力。
Sometimes, you just need to laugh to relieve stress.
重点词汇
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需要
need; want; require; demand; involve; call for; necessitate; take; entail; warrant; claim; depend on; have occasion to; scream for; call; requirement; necessity; requisition; necessary; essential; requisite; in want of; in order; in need of