咖啡因对健康没有好处，而且还容易让人上瘾。

Caffeine has no good effects on health and is mildly addictive ___into ___the ___bargain.

你可以在那里漫游数日，还能接受历史教育。

You can roam there for days and receive history lessons ___into ___the ___bargain.

新软件效率高、用户友好，而且还是开源的。

The new software is efficient, user-friendly, and open-source ___into ___the ___bargain.