be designed for 为......所设计

(3)designer n. 设计师，设计者

①They asked me to design a poster for the campaign.

他们请我为这次运动设计一张海报。

②Whether this happened by__design or not we shall never know.

我们将永远无法得知这事是不是有意安排的。

③The method is specifically designed for use in small groups.

这种方法是专为小组活动设计的。

④The programme is designed to__help(help) people who have been out of work for a long time.

这项计划的目的是为长期失业者提供帮助。

[语境串记]　I like the design of the suit，which was designed by a female designer.She graduated from a school of fashion design and the school is designed to attract talented people interested in fashion.

我喜欢这套西装的设计，它是由一个著名的女设计师设计的。她毕业于一所时装设计学院，该学院旨在吸引对时装感兴趣且具有天赋的人。

Is it a good idea to do voluntary work？(教材P12)

做志愿者工作是一个好的想法吗？

(1)It is ＋n./adj.(＋for/of sb)＋to do sth是一个常见的结构。在这个结构中it是形式主语，真正的主语是后面的不定式。

①It is important for us to__learn(learn) English well.

学好英语很重要。(代替不定式)

②I don't think it__possible to master a foreign language without much memory work.

我认为不需要大量的记忆而掌握一门外语是不可能的。(代替不定式)

(2)it还可用来代替从句，把被替代的从句后置。

③You can rely on it that Ann will come here tomorrow.你可以相信安明天会来这