Books in China are less expensive than books abroad.

书在中国要比国外便宜很多。

Nondisposable products are less expensive in the long term but can be costly to repair.

长期来看，非一次性产品的价格较低，但维修成本较高。

I Do you have any less expensive room?

你有便宜一点的房间吗？

A: Isn't there anything less expensive?

A：没有便宜一点的了吗？

I'm looking for something less expensive.

我在找便宜一些的东西。