面试时候当被问及之前能做什么或者有哪些能力，可以用的单词通常是could，be able to，managed to他们之间有什么区别呢？
could 用来谈论过去一般的技能或能力。
例句
When I first started my career, I could work long hours without a break.
当我开始我的职业生涯时，我可以不间断地长时间工作。
They hired her because they knew that she could do the job well.
他们雇用她是因为他们知道她能把工作做好。
At this time last year, Santiago couldn’t speak English.
去年这个时候，桑提亚哥不会说英语。
was/were able to 用来谈论具体的成就。
例句
I called our IT help desk and they were able to resolve the issue.
我打电话给我们的IT帮助台，他们能够解决这个问题。
Were you able to get in touch with Gary?
你能和加里联系上吗?
Kathy wasn’t able to get here on time because of the accident on the highway.
凯西因在高速公路上发生的事故不能准时到达这里。
managed to 用来谈论有一点困难的具体成就。
例句
No one thought she had a chance to win the race but somehow she managed to get enough votes and win the election.
没有人认为她有机会赢得这场比赛，但她设法获得了足够的选票并赢得了选举。
When Carla quit without giving notice it was difficult for us, but we managed to handle everything.
卡拉辞职时没有通知我们，这对我们来说很困难，但我们设法处理了一切。
How did they manage to find a suitable candidate for the position in such short time?
他们是如何在这么短的时间内找到合适的人选的呢?
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