The loop including line 3 of the listing is working through the keys received, getting a corresponding value, and printing it as an array or a string.

包含清单第3行的循环将遍历接收到的键，获得相应值，并把它作为数组或字符串输出。

youdao

Eli Lilly is getting into the biotech business by building its own pipeline, rather than through acquisitions, and is working to establish itself as a major presence in the industry.

通过自己搭建产品流水线而不是进行收购，礼来正向生物技术行业进军并计划在该行业建立自身的优势地位。

youdao

Hope that my work is gone through and can be competent at the work in the future, look forward to getting this valuable working opportunity too.

希望本人的工作经历能够胜任未来的工作，也期盼得到这次宝贵的工作机会。

youdao

Only one of his contractors, a graphic designer, is a full-time freelancer, working on many projects at once and getting health insurance through his wife, who is a kindergarten teacher.

FORBES: In The Future, Nobody Will Have A Job

I'm going to go through the pain of really working through this hard process in Congress, getting yelled at and called a socialist, because I just -- that's how I roll.

WHITEHOUSE: President Obama Holds a Town Hall in New Hampshire

Online merchants who sell products through websites like eBay and Amazon often have trouble getting working capital from banks.

FORBES: Kabbage Brings Working Capital To EBay, Amazon And Yahoo Merchants