B你要去多久？
Good afternoon. How much? How long? How nice! How beautiful! A: Good morning. B: morning.
下午好！多少钱?多久?（多长?） 多漂亮啊！ 多美啊！
The findings of Gravity Probe B are the latest in a long list of these many vindications of Einstein's genius and reveal how his great theory touches our lives in unexpected ways.
重力探测器B的发现不过是众多证据中最新的一项，来证明爱因斯坦的天才和揭示他那伟大的理论是如何以意想不到的方式来触及我们的生活的。
B: We need to know how long this product will last in the field.
B：我们需要知道产品在使用中可以有多长的寿命。
A popular question that I hear often is how long you should hold out for that dream job before moving to plan b.
我常听到的一个问题就是：人们应该为梦想中的工作坚持多久才退而执行另外的计划呢？
B: How long does it take to collect this check?
托收这张支票需要多长时间？
B: If I ordered an X-ray apparatus today, how long would I have to wait for the delivery in Scotland?
如果我今天订一套X光设备，要多长时间运到苏格兰？
How long would you stay, Sir? B: Two nights.
先生，您准备住多久？两个晚上。
B: How long will you complete a translation as an English editor?
如果您是一名英语编辑，您最快能用多长时间出一本译著？
A: How long can you keep these books? B: it must be returned within a month.
甲：这本书你可以借多久？乙：必须一个月之内归还。
Colleague b: Really? It's nice to meet you. How long have you been with this company?
同事乙：真的啊？见到你真高兴。你在这公司干多久了？
B: Thank you. How long do you need for approval of my loan?
谢谢，需要多长时间批准我的按揭申请呢？
How long have you lived in Germany? B: Off and on for the past six years.
你在德国住了多久？过去这六年断断续续住在那里。
B: May I know how long I'll have to work a day?
我想知道我一天将工作多长时间？
Still, our new study may suggest another angle to look at things, which is how long do memory B cells last for this or that?
我们新的研究可能还提供了看待问题的另一个角度，即，对于这种或那种（病毒）记忆性B细胞可维持多长时间？
Still, our new study may suggest another angle to look at things, which is how long do memory B cells last for this or that?
我们新的研究可能还提供了看待问题的另一个角度，即，对于这种或那种（病毒）记忆性B细胞可维持多长时间？
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