按照惯例用英语怎么说？

按照惯例

例句

• He makes his customary visit every week. 他每星期都按照惯例造访一次。
• As a matter of routine, the sheriff's office there had been notified of the change of address. 按照惯例, 他们已把地址变更的消息通知了那里的郡长办公室.
• America conventionally attaches a rider to Israeli aid, to the effect that it must not be used in the occupied territories. 美国按照惯例在对以色列的援助中提出了附加条款，大意是该援助不能用于被占领地区。
• I realized that here the conventions required me to make the ritual noises. 我意识到此时按照惯例我应该说些客套话。