1.struggle to 斗争

I struggle to see what russia will gain.
我很难看出俄罗斯从中能得到什么。

Chinese steelmakers could struggle to pass on these rates.
中国钢铁生产商可能难以将这些涨幅转嫁出去。

2.lower cost 降低成本

We simply switched from astronauts to lower cost, lower risk robotic explores.
我们只是由宇航员到降低成本，低风险的机器人进行探索。

The advent of modern medicines has brought significant health benefits at lower cost.
现代医学带来了巨大的健康好处，同时降低了成本。

3.fly from 从…飞出； 冲出；避开

How: fly from moscow or anchorage to petropavlovsk-kamchatsky, the peninsula's main urban area.
怎样从莫斯科或安克雷奇出发，去彼得罗巴甫洛夫斯克半岛上的主要城市。

How can he fly from his feathers?
他怎样才能飞离他的羽毛？

4.such as 例如；譬如；诸如

What about future steps such as euro bonds?
诸如欧元联盟之类的未来计划怎样？

Imaginary problems such as these are usually hiding real ones.
像这样的臆想的问题通常隐藏真实性的。