I've done part one, on economic and technological factors.

我写完第一部分了，内容是经济和技术因素。

youdao

What can be done? Part of the solution lies in a change in cultural attitudes.

那么问题来了，我们能做什么呢？其一在于改变文化态度。

youdao

If all these things were not done,Calhoun said, then it would be better to separate, to part in peace.

VOA: special.2009.03.26

She was part of the clinical trial that did this, and they gave everybody certificates after it was done.

她当时就在参与疫苗的临床试验,试验后他们会给每个参与者颁发一个证明

耶鲁公开课 - 生物医学工程探索课程节选

just because I've always done very specialized projects, and projects I've worked almost part time.

因为我做的都是比较特殊的项目，很多都是兼职。

生活费偏高 - SpeakingMax英语口语达人

The European Union, by contrast, forbids employers to pay less per hour for the same work when it is done part time than when it is done full time.

CNN: Why is 'having it all' just a women's issue?

Rather, the public should know that air emissions associated with hydraulic fracturing (where they exist) remain a small part of a very large and complex issue, that the oil and gas production industry has long done its part to reduce air emissions from a variety of sources, and that reasonable minds can differ about whether the new regulations make sense as adopted.

FORBES: Why Anti-Fracking Groups Are Shifting Their Story From Water To Air Quality

In the process, SVCO has done its part to transform venerable old Oxford itself.

FORBES: Hear! Hear!