双重否定句 比如 it is not uncommon that it is not un
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发布时间:2023-02-26 00:38
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热心网友
时间:2024-12-01 00:15
it is not uncommon that=it is commom 通常/普遍
it is not unusual to see=it is usual to see 看到...很平常
it is not surprising to know that people have not=知道人们不....一点都不令人惊讶。
热心网友
时间:2024-12-01 00:15
双重否定表肯定