工作性质的不断变化也起到了很大的作用。

The changing nature of work also plays a big role.

youdao

有些人怀疑这些与国防有关的研究项目能否提高我们的生活水平，或者对保护我们日益减少的资源能否起到很大的作用。

There are those who consider it questionable that these defense-linked research projects will either improve our standard of living or do much to protect our diminishing resources.

youdao

我意识到我们应该研究食物糜烂后滋生的细菌，但是食物包装应该起到了很大的作用，对吧？

I realize we're supposed to research food-born bacteria, but food packaging must play a role in all of that, right?

youdao

So historically, it was very important for the business

它对通商起到的作用很大，

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