柯林斯词典onus /ˈəʊnəs/ 1. N-SING If you say that the onus is on someone to do something, you mean it is their duty or responsibility to do it. 责任; 义务[正式] The onus is on companies and consumers to keep up with anti-virus updates. 公司和用户有责任跟上杀毒软件的更新。 返回 onus