1.take care of 关心; 对付；抵消

There was no one else to take care of their children.

没有别人可以照料他们的孩子。

You have to learn to take care of your possessions.

你得学会保管好自己的财物。

2.what about...怎么样

Now what about that shopping list? I've got to get going.

那张购物清单呢？我得出发了。

"Now, what about it? why stopped working?"

怎么了，你，干嘛不干活？

3.Last but not least 最后但并不是最不重要的

Last but not least, the market share of the individual firm should be evaluated.

最后，但并非最不重要的一点是，应该估计个别企业在市场上的份额情况。