more than的用法
1.“More than＋名词”表示“多于……”、“非但……尤其是”如：
Modern science is more than a large amount of information.
现代科学包含的不仅仅是大量的信息综合信息。
Jason is more than a lecturer; he is a writer, too.
杰森不仅是一名讲师；他也是一个作家。
2.“More than＋数词”含“以上”或“不止”之意，如：
I have known David for more than 20 years.
我认识戴维超过20年。
Let's carry out the test with more than the sample copy.
3.“More than＋形容词”等于“很”或“非常”的意思，如：
In doing scientific experiments, one must be more thancareful with the instruments.
在做科学实验时，你必须非常小心那些仪器。
I assure you I am more than glad to help you.
我向你保证我很高兴帮助你。

care for
1.喜欢
Would you care for a drink?
你想来点喝的吗?
2.照料
Who will care for the house while the family is away?
全家人都不在时,由谁照料这间房子呢?
3.计较
He doesn't care for what he eats.
他对吃的东西并不计较。
4.尊重；重视
I do care for what my teacher says．
我的确尊重老师说的话。
He cares only for himself．
他只考虑自己。

sign on:
1.签约受雇
He signed on as a sailor.
他签约受雇为船员。

sign-on
名词 n.
1.【广播】开播