好用英文怎么表达？?

　　VB oscilloscope function of a CAD design, easy to use.

　　用VB实现示波器功能的一个CAD设计，很好用。

　　AIDA is a display system information, system performance testing tool, very easy to use.

　　AIDA是个显示系统信息、测试系统性能的工具，十分好用。

　　Very practical plus easy to use, plus a complete tool, MATLAB hope you like it.

　　非常实用加好用，加完整的工具书，MATLAB希望喜欢。

　　It was surely fun to design but was not particularly easy to use after you became an intermediate.

　　它设计起来确实很好玩，但当你成为一个中间用户后，特别不好用。

　　Sony Panasonic digital products do not have to go about, most notably easy to use, right?

　　数码产品不一定要索尼松下才好，最主要是好用，对不？