according to usual practice

基本解释

According to the usual practice in international trade, special risks are not covered unless the buyer asks for them.
正是，根据国际贸易中的惯例，只有买方要求时才保特殊险。
In the absence of your definite instructions, we will cover insurance W. P. A and War Risk according to usual practice.
如果没有你们的明确指示，我们将按一般惯例投保水渍险和兵险。
youlanling.blog.163.com
According to the usual practice of the World Expo, the first participants meeting is normally held two years prior to the Expo.
按照世博会的惯例，一般是举办前两年召开第一次参展方会议。