The Boolean parameter feelingUnlucky controls whether the method pays the cost of a two round-trip update sequence or gambles on the one-or-three round-trip update sequence.

布尔参数 feelingUnlucky 控制该方法是否需要两次循环才能更新，或者在一次或三次循环间进行博弈。

youdao

The employee will be entitled to only one round trip ticket to serve for both the business trip and the vacation.

员工的商务出差和度假只能享有一张双程票。

youdao

They estimate that for every 2m five-year-old girls who travel one round-trip a week, one additional breast cancer would occur from the scans.

BBC: Radiation levels from airport full body scans 'safe'

Also keep in mind that with charter, one must pay to return the aircraft to its point of origin, so one-way trips must be priced on a round-trip basis.

FORBES: What's the Best Jet for You? (Part 2)

One of the few good things about a San Francisco-to-New York 36-hour round-trip is the time it affords one to read.

FORBES: Magazine Article