The panels are also designed so that they can be installed directly on top of existing roadways, making them relatively cheap and easy to install.

经过特殊设计，这些电池板可以直接安装在现有道路表层，它们相对便宜并且易于安装。

youdao

First, it is relatively cheap.

第一，相对廉价。

youdao

It is easy to extract, bulky and relatively cheap.

它庞大，易开采，而且相对便宜。

youdao

is relatively cheap. Dairyman Vander Haak says his energy sales have not been profitable.

VOA: standard.2010.02.23

"It is relatively cheap for what you get, and it has been in existence for 60 years, so it is well established as a health service and it works,".

VOA: standard.2009.09.24

Smart investors know this is the time to load up on equities--while they're relatively cheap.

FORBES: Uncertainy=Equity Opportunity

Robots are relatively cheap, hardy and leave no grieving families if something goes wrong.

ECONOMIST: The space shuttle

I, on the other hand, began Rutgers University six years ago when it was relatively cheap.

FORBES: Financial Aid or Financial Fraud?