The standby credit serves as a back-up or secondary means of payment, though it is recognized as a primary obligation of the issuing bank...

备用信用证充当后备或第二性的付款手段，固然它被以为是开证行的主要义？。

youdao

At the same time, we cannot meet every obligation without neglecting our primary duty to take care of ourselves.

同时，我们也要清楚自己无法承担所有的责任，而自己主要的任务其实是照顾好我们自己。

youdao

The primary definition in the Merriam-Webster online dictionary says, "The discipline dealing with what is good and bad and with moral duty and obligation."

排在第一位的是韦氏(Merriam-Webster)网上词典 3中的解释，“一门关于判断什么是好什么是坏，以及道德义务和道德责任的学科”。

youdao

Many of the more recent arrivals run small businesses and their primary obligation is to their extended families, both in America and abroad, and to their ethnic groups, rather than to their host city.

ECONOMIST: Los Angeles

The primary duty of government - our abiding obligation - is, and will always be, the safety of all British people and the protection of the British national interest.

BBC: In full: Brown security statement