对不起，这些是样品不卖的。

Sorry, there are samples and not for sale.

youdao

“对不起，”店主说，“这只猫是不卖的。”

"I'm sorry," the shop owner said, "but the cat is not for sale:".

youdao

但是被子是不卖的。

But the quilts are not for sale.

youdao

So if Pepsi is the low price drink in the market then no Coke is sold at all.

如果在市场上百事可乐的价格较低,可口可乐就卖不出去

耶鲁公开课 - 博弈论课程节选

if people are not interested in what's being offered everywhere else.

如果人们对现在四处卖的食物不感兴趣的话。

有机农庭院 - SpeakingMax英语口语达人

If Pepsi is the low price then Coke sells nothing.

如果百事的价格低则可口可乐就卖不出去

耶鲁公开课 - 博弈论课程节选