The dog had no collar.

这只狗没有项圈。

youdao

Oh no, I'm a no Collar, just like you.

哦不是，我是个“无领”，和你一样。

youdao

Then we took a good look at the dog. He had no collar and he was really thin. We decided he was abandoned.

这时我们又好好观察了这只小狗，它没有带项圈，而且十分消瘦，它应该是被遗弃了。

youdao

Deirdre said there was no sign of a dog owner, and no collar on the pitbull.

BBC: Cole, a pet labrador

For trainers who only want e-collar functions (and no BarkLimiter), Garmin offers the Delta in a basic configuration with three training configurations (instead of five) and half-mile range.

ENGADGET: Garmin announces new dog collars, talks up 'Bark Odometer'

But those who have developed the skills necessary for the best blue-collar jobs, largely mechanics, installers and equipment operators, find they're doing better than the average American, no matter the color of the collar.

FORBES: Magazine Article