作业帮it is not expired ,it has not expired ,这两种说法那种对呢?我有点混乱了
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it is not expired ,it has not expired ,这两种说法那种对呢?我有点混乱了
it is not expired ,it has not expired ,这两种说法那种对呢?我有点混乱了
it is not expired ,it has not expired ,这两种说法那种对呢?我有点混乱了
it is not expired,指具体的“实物”时候都会这么说. 特别是口语.在商品保质期用途上比较多.
比如,保质期还没过.
it has not expired, 指具体的“事情”在一段时间还没过.书面语居多.
比如 你和别人签合同了,还在合同期内.
Expire,
vi.期满；文件、协议等（因到期而）失效；断气；逝世
现在分词：expiring；过去式：expired；第三人称单数：expires；过去分词：expired.
Expired 也可做形容词，表示过期的。
用作形容词 (adj.)
You can't pass the custom with an expired passpor...
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Expire,
vi.期满；文件、协议等（因到期而）失效；断气；逝世
现在分词：expiring；过去式：expired；第三人称单数：expires；过去分词：expired.
Expired 也可做形容词，表示过期的。
用作形容词 (adj.)
You can't pass the custom with an expired passport.您的护照过期了,没有有效证件您不能过关。
所以，两种用法都是可以的，只有一点点不同。
it is not expired。 陈述事实。
it has not expired。强调没有过期这件事情对现在有影响。
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it is not expired ,it has not expired ,这两种说法那种对呢?我有点混乱了
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