我做了一些研究，发现他们关注于创业。

I did some research and found that they concentrated on entrepreneurship.

youdao

我做了一些研究，发现一些很酷的对称图片。

I've done my research and found some cool symmetrical images.

youdao

我做了一些研究，没能找到任何可靠的统计数据。

I did some research and am unable to come up with any reliable statistics.

youdao

So I've been actually working some research in Berkley in aviation operations.

我在伯克利分校的时候就对航空操作做了一些研究。

来美国的理由 - SpeakingMax英语口语达人