human beings are facing with a big problem that exhaustion of resources and environmental pollution in 20 century. it is the imperative duty to adopt the strategy of sustainable development.
20世纪全人类都面临着资源枯竭、环境恶化等严峻问题,选择可持续发展战略势在必行。
the bishop thought it his imperative duty to become personally acquainted with the most conspicuous of his diocesan clergy.
主教认为私下结识一下他区内最引人注目的牧师,是他的无可旁贷的职责。
i have thought it my imperative duty to recommend the bishop not to slight mr. harding's claims.
我认为劝主教不要轻视哈定先生的权利,是我应尽的职责。