常识在英语中可以翻译为 "common sense"。它的来源可能源自拉丁语 "sensus communis"，意为 "共同感官" 或 "公共感觉"。例句：

It's common sense that you should wear a jacket when it's cold outside. (在外面冷时，穿外套是常识。)

It's a common sense rule that you should always look both ways before crossing the street. (在过马路之前，总是要左右看一下是常识规则。)