A lot of Ph.D. students get depressed when they reach the boundary, because there's no longer a test to cram for or a procedure to follow.

很多博士生在达到边界的时候都很沮丧，因为他们从未被一项考验占据如此多的精力，或者从未坚持一个如此艰难漫长的过程。

youdao

Even if we manage to dodge the bullet with avian flu, there are a lot of other animal diseases which are crossing the boundary and infecting human.

即使我们能够避免禽流感造成的灾难，我们目前也还面临许多其它跨国境和能够传染人类的动物疾病。

youdao

A lot of observational data on the atmospheric boundary layer over the plateau were obtained.

获得了大量的关于青藏高原大气边界层的宝贵资料。

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They held it on the boundary of the police department parking lot in which my buyback was taking place.

CNN: Guns were last straw for me with GOP

But former Lib Dem leader Sir Menzies Campbell described the coalition as a "marriage of inconvenience" and said there would be "a lot of hard talking" on the issue of Commons boundary reforms - thought likely to benefit the Conservatives - should plans to overhaul the Lords collapse.

BBC: UK Politics