时差反应是每个国际旅行者可能遇到的问题。翻译

他孤注一掷用自己的积蓄开了一家小商店。翻译

简述马克思的社会交往理论。

He took his umbrella with him lest it ____(rain).

体态语

Every boy and girl ___(treat) in the same way.

艺术修养

Robots, ___(become) increasingly prevalent in factories and industrial plants throughout the developed world, are programmed and engineered to perform industrial tasks without human intervention.

态度适度