But this he found difficult to accomplish.
但是他发现很难做到这一点。
Second, this common task was difficult to accomplish by either party.
第二,这个共同的任务单靠任何一党的力量都是难于单独完成的。
Even so, it still can be difficult to accomplish certain tasks through scripting.
尽管如此,它仍然难以通过脚本完成某些任务。
And none will be so difficult or expensive to accomplish."
VOA: special.2009.07.08
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
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