The answer is really quite simple.

　　實(shí)際上答案相當簡(jiǎn)單。

　　This machine is very simple to use.

　　這臺機器操作非常簡(jiǎn)單。

　　The storyline is deceptively simple.

　　故事情節看似簡(jiǎn)單。

　　It was a simple but pleasing design.

　　這是一項簡(jiǎn)單但令人滿(mǎn)意的設計。

　　Sylvie was a simple-minded romantic.

　　西爾維是個(gè)天真浪漫的人。