Trade certification for cable television technicians is available, but voluntary, in British Columbia and the Yukon.

在不列颠哥伦比亚省和育空地区，有线电视技术员行业认证是可用的，但是自愿的。

youdao

After beginning in northern British Columbia and flowing through Yukon in Canada, the Yukon River crosses Alaska before emptying into the Bering Sea.

育空河发源于加拿大北部的卑斯省，它流经阿拉斯加，最终注入白令海。

youdao

The most ambitious project is the 3, 600-mile Alaskan pipeline, which will run from the North Slope along the Alcan Highway through the Yukon and British Columbia.

FORBES: Magazine Article