cannot help but do

基本解释

We appreciate how you yourself are placed by your long-term contracts and wish we could help, but unfortunately we cannot do so by lowering our price.
我方理解，贵方本身有长期合同，所以希望我方能给予帮助，但很遗憾，我方不能以降价的方式来帮助贵方。（顺序法）
blog.sina.com.cn
In practice, we find ourselves somewhere between these two extremes. The source control tool cannot do magic, but it can usually help make the merge easier.
在实际当中，我们发现我们自己常常处于两个极端之间。源码控制工具不能想像，但是通常它可以帮助我们把合并变得简单一些。
It's already late, and tomorrow morning I have to accompany my wife to a pregnancy check-up, so I cannot write too much, but I do appreciate your help and encouragement here.
今天太晚了，明天一早还要陪妻子去做产检，所以就不写太多了，想在这里感谢大家对我的帮助和鼓励。
lang-8.com

As Girardi pays final tribute to his father in Illinois on the off day in the American League Championship Series, we cannot help but admire what he has been able to do over the past week.
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But the fact that we cannot do everything that could help should not paralyze us from doing anything that can help.
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