经济学人下载:环球航海家马文·克里默(2)

音频下载[点击右键另存为]

People are afraid to venture out for fear of sniper attacks.
人们不敢冒险外出，害怕狙击手的袭击。

2.useful for有用

The pressure cooker is very useful for people who go out all day.
压力锅对整天外出的人非常有用。