这个行业的新产品层出不穷。

Zhège hángyè de xīn chǎnpǐn céngchūbùqióng.

New products in this industry keep coming out.

网络上的新词层出不穷，很难全部记住。

Wǎngluò shàng de xīncí céngchūbùqióng, hěn nán quánbù jìzhù.

New words on the internet keep emerging, and it’s hard to remember them all.

为了吸引顾客，各种促销活动层出不穷。

Wèile xīyǐn gùkè, gè zhǒng cùxiāo huódòng céngchū-bùqióng.

To attract customers, all kinds of promotional campaigns keep appearing one after another.