实现这些目标从理论上说比较容易,但在实践上却相当困难。
Achieving these goals is relatively easy in theory, yet quite difficult in practice.
他们克服一个又一个的困难,终于完成了目标。
They overcame difficulties one after another and finally realized their goals.
在经济困难时期,学生的主要目标是“经济上富裕”,这并不奇怪。
Not surprising in these hard times, the student's major objective "is to be financially well off".
I want to say a little bit about the cost of vaccines because this is a part of what makes it difficult to accomplish what's usually our goal in a vaccine development, which is deliver the vaccine to every population in the world.
我想谈谈关于疫苗的成本,因为这是令我们的疫苗发展目标,无法得以实现的困难之一,这个目标就是将疫苗送至世界上每一个人
应用推荐