Her original investment has increased twofold.

她原先的投资已经增加到两倍。

《牛津词典》

Her original investment had increased twofold.

她原先的投资额已增至两倍。

youdao

Ideally the existing code can easily be combined with some platform specific glue that will produce a quick turnaround that leverages the original investment.

理想情况下，现有代码可以通过某种平台相关的接口结合起来，这种接口提供了一个快速方案，帮助利用原有的资源。

youdao

Another 65% of returns are what Venrock considers to be mediocre--triple the original investment.

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Its 1.1% in annual fees will consume 13% of your original investment over a decade.

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Krupa and his co-founders Albert Waxman and Lisa Suennen have stuck to their original investment thesis.

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