But the fact is that no matter what method you use to do so, it's a hard, slow and often expensive process.
但事实是，无论你使用什么样的方法，都是一个困难，漫长并且往往昂贵的过程。
But all too often clinicians do not use them.
但很多时候临床医师却不使用这些方法。
This is the one piece of software that I use most often, but notice the least.
这款软件是我每天使用最多，却极少真正注意到的。
But make sure the threat is genuine, and don't use this tactic too often.
但要保证威胁是真实的，并且不要过多使用此项策略。
In fact, we often fail not yesterday, but failed in not good use today.
其实我们往往失败不是在昨天，而是失败在没有很好利用今天。
Why Chinese prefer repetition, but English people more often use substitution and ellipsis?
汉语民族倾向于使用重复手段，而英语民族常用替代和省略回避重复。
But they can be difficult to use, expensive to buy and often kill live samples.
但他们可能很难使用，因为太贵买不起，经常会杀死活体样本。
But when I tell them I want to go travel alone, they often use the reason that I am still a little girl to reject me.
但当我告诉他们我想一个人去旅行时，他们却总是说我还是个小女孩。
Many small business owners use that approach, but unfortunately, it often doesn't work.
许多小企业的老板也会运用这种方法，但不幸的是，它往往不起作用。
But I would not recommend regular runners to use fixed training mode too often.
训练需要因人而异，我不主张普通练习者使用太多固定模式训练。
But I would not recommend regular runners to use fixed training mode too often.
训练需要因人而异，我不主张普通练习者使用太多固定模式训练。
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