事实上，一些人只需要一个月。
只需要一个月？真的？
而且，密苏里-哥伦比亚大学的一项最新研究发现，这种消极情绪不是一周、一个月甚至一年之后才会产生，只需要三分钟。
And, it doesn't take a week or a month or even a year for those negative feelings to set in, but only three minutes, a new University of Missouri-Columbia study has found.
这一个月的勇敢尝试效果将是加倍的，同时它也是一个让你感觉惊异的机会，只需要你。
This months dare is a double dare and an opportunity to experience how absolutely amazing you would feel if you.
一年之前Linkedin网花了超过一个月才赢得了一百万新用户，而如今只需要15天就够了。Linkedin网目前在全世界拥有4200万名用户。
A year ago it took LinkedIn over a month to win 1m new members; it now takes about 15 days and the site has 42m members around the world.
当昨天晚上你充满了可以行使100英里的电，而不必用一滴油时，你只需要一年在你最喜欢的加油站停6次就够了，而不是一个月6次。
When last night's charge gets you a 100 mile range without using a drop of gasoline, you'll only stop at your favorite gas station six times a year instead of six times a month.
当昨天晚上你充满了可以行使100英里的电，而不必用一滴油时，你只需要一年在你最喜欢的加油站停6次就够了，而不是一个月6次。
When last night's charge gets you a 100 mile range without using a drop of gasoline, you'll only stop at your favorite gas station six times a year instead of six times a month.
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