Nearly everyone will underestimate, often fatally, the capital that success requires.

几乎每个人都过低估计到成功所需要的资本，这常常是致命的。

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In bone-marrow transplants, the donor's marrow cells may attack the recipient's tissues, often fatally.

骨髓移植时，捐赠者的骨髓细胞可能攻击接受者的组织，通常会致命。

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Without this enzyme, the disease damages the heart and muscles, often fatally.

FORBES: Magazine Article

It was a simple but crucial thing: New imports often don't deliver promos soon enough, failing (often fatally) to build on early retail enthusiasm, says Bill Deutsch.

FORBES: Magazine Article