But how can they cancel the class after offering it?
但是他们怎么能在提供课程后取消它呢？
That would be a great thing, but how can you contrive it?
那将是一件伟大的事情，但是你怎么能做到呢？
But how can children, still learning themselves, teach others?
但是，还在自学的孩子怎么能教别人呢？
But how can you reuse rubbish?
但是要怎样重复利用垃圾呢？
We all know that cooperation, but how can we have such an ability?
我们都知道合作，但是我们怎样才能有这样的能力呢？
All win the lottery, but how can there be such a big difference?
都是中大奖，怎么就有那么大的差别呢？
You certainly shouldn't ditch teamwork, but how can you avoid the hazards of being an over-collaborator?
你当然不应该放弃团队合作。但如何才能避免过度合作带来的风险呢？
Joy and sadness are experienced by people in all cultures around the world, but how can we tell when other people are happy or despondent?
快乐和悲伤是世界上不同文化的人都会经历的，但我们怎样得知别人是快乐还是沮丧呢？
But how can you get the drink?
可是你怎么能买到饮料呢？
But how can I apply to practice?
但是我如何才能运用于实践呢？
But how can you stop being busy?
但是你怎样才能停止忙碌呢？
But how can we find more time?
但是我们如何找到更多的时间？
但是如何才能确保这点呢？
呃，我在这儿怎么卖呢？
But how can we be more efficient?
可是我们怎么才能更有效率呢？
但是该如何做到呢？
But how can this be done practically?
但是在实践中如何做到这点呢？
But how can a person increase the earning side?
但是，一个人，怎么才能增加收入这一边呢？
But how can you tell what version to apply?
但是如何知道所用的版本呢？
But how can you make a computer out of the stuff?
但你如何能用它来制造计算机呢？
But how can you keep your balances that high?
你如何你保持你高额的爱情存款？
But how can electronic switches be made of fabric?
但是电子开关怎么能用布纤维做呢？
But how can they possibly know when they never try?
但是如果他们从未尝试又怎么知道呢？
But how can we say that if we accept the soul theory?
但若接受灵魂理论又怎么能这么说呢？
But how can you guarantee that your expert is reliable?
但你如何才能保证自己的专家是可以信赖的呢？
But how can you guarantee that your expert is reliable?
但你如何才能保证自己的专家是可以信赖的呢？
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