It is expanding at a great cost to the free world.

他们还在全世界扩张。

However, this pace came at a great human cost.

然而，这种速度是以巨大的人力成本为代价的。

His revenge was complete, but at a great cost.

他的复仇已经完成，但也付出了巨大的代价。

But this victory for the movement had come at a great cost.

但是这场运动的胜利付出了巨大的代价。

But these abilities come at a great cost — as people with Marfan's get older, their weakening tissue can cause serious problems in the joints, eyes, lungs, and heart.

但是这些能力是有很大代价的——随着马凡氏症患者年龄的增长，他们虚弱的组织会导致关节，眼睛，肺部和心脏相关的严重问题。