简单的副词怎么写

　　The answer is really quite simple.

　　实际上答案相当简单。

　　This machine is very simple to use.

　　这台机器操作非常简单。

　　The storyline is deceptively simple.

　　故事情节看似简单。

　　It was a simple but pleasing design.

　　这是一项简单但令人满意的设计。

　　Sylvie was a simple-minded romantic.

　　西尔维是个天真浪漫的人。