易。

　　 be meant to旨在，目的是

　　(教材P2)PSAs are often run for free，and are meant to educate people about health，safety，or any other problem that affects public welfare.

　　公益广告往往是免费投放的，旨在就健康、安全或其他影响公共福利的问题教育公众。

　　①(2015·福建高考·阅读理解D)But we're never meant to let go of the part of us that knows we can have more.

　　但是我们从未有意放手了解我们会拥有更多的那份思想。

　　(1)mean vt. 打算，意图；意味着

　　mean to do sth. 打算做某事

　　mean doing sth. 意味着做某事

　　mean sb.to do sth. 想要某人做某事

　　had meant to do sth. 本打算做某事(实际未做)

　　be meant for... 为......而准备的

　　(2)meaning n. 含义；意义

　　(3)meaningful adj. 有意义的；重大的

　　meaningless adj. 无意义的

　　②These new rules for our factory will mean working(work)overtime.

　　我们工厂的这些新制度意味着加班。

　　③(朗文辞典)Without more data we cannot make a meaningful (mean) comparison of the two systems.

　　如果没有更多的数据，我们就无法对这两个体系作有意义的比较。

　　[语境助记]　

When I was young，mother always meant me to do extra exercise and my brother was meant to practise playing the piano.We meant to give up，but Dad told us persistence meant success while laziness meant losing good chances and failure，so my brother and I had to do as we were told.