最大的问题之一是污染。

One of the biggest problems is pollution.

youdao

缺少优良的奶牛是中国奶业最大的问题之一。

Lack of dairy cow is excellent in China is one of the biggest problems.

youdao

最大的问题之一，就是物色能够进行商业化的产品。

One of the biggest problems has been finding products that can be commercialised.

youdao

Absolutely. I think one of the biggest issues that's facing business in general

当然。我觉得最大的商业问题之一，这个问题不仅涉及商业各个领域，

现在的商业新闻 - SpeakingMax英语口语达人