trouble: to cause inconvenience or discomfort to
例句：
1) He was troubled by his health.
我们都知道“trouble”是“麻烦”，不过我们这里要学习的是它的动词形式，表示“让某人感到痛苦或焦虑”。我们在口语和写作中都能用到它。
在口语中，我们想麻烦别人做某事时，可以先客气地说一句：I’m sorry to trouble you…
在写作中，trouble 是一个经常被低估的、想不到词。例如当我们想表示“担心”时，可能一下子能想到 worry，concern，其实这时候也可以用 trouble。比如：
很多学生有无法集中注意力的问题，就可说：
2) Many students today are constantly troubled by their inability to concentrate.
信息过载给很多人带来了压力，结果是很多人会买一些他们并不需要的线上微课，可以说：
3) People are increasingly troubled by overload of information so much so that they end up buying many online mini-courses that they do not actually need.
很多国际一线城市交通堵塞严重,可以评论：
4) Many international cities, say Los Angeles, Beijing, and New Delhi, are troubled by traffic congestion.
译：最困扰很多二线城市的是人才的短缺。
Shortage A shortage of talents talent troubles many second-tier cities most.
参考翻译：What troubles many second-tier cities the most is a shortage of talent.
注意：
food/water shortage才不加a;
talent用法:
1.talent 统指“才能”，a talent 是“一种才能”，talents 是“多种才能”，都指智力而不指体力。如：
He has talent, but no genius.
He has a talent for languages.
His talents are really astonishing.
2．talent 往往指“有才能的人们”。例如：They are the best talent in the country. a talent 指“一个有才能的人”，talents 指“多个有才能的人”，都不很普通。)
场景：经济下行压力
Many people are troubled by the growing uncertainty in economy.
Never trouble trouble till trouble troubles you. 烦恼寻你没办法，总勿自去寻烦恼。
—谚语
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