The term has been in use since the 16th century and is a shortening of a Latin phrase, pro et contra, which means "for and against."
赞成和反对这对词从16世纪就开始使用了，而且他们也是拉丁短语pro et contra缩写。
The term has been in use since the 16th century and is a shortening of a Latin phrase, pro et contra, which means "for and against."
赞成和反对这对词从16世纪就开始使用了，而且他们也是拉丁短语pro et contra缩写。
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