4.One reason for this is that most traditional film festivals have entries from a variety of countries.

原因之一在于多数传统的电影节会展示来自不同国家的电影。 One reason for ...is that ..."原因之一是由于......"。 One_reason for their interest is_that these cards come in a wide variety of designs.

令他们感兴趣的原因之一是，这些卡片有着各种各样的图案。 　　

　　1．(教材P50)Our guests today are representatives from six of the major international film festivals.

　　我们今天的嘉宾是来自六个主要国际电影节的代表。

　　representative n. 代表，代理人；典型；议员 adj. 有代表性的；典型的

　　(1)be (a) representative of　　 是......的代表，是......中的典型

　　(2)represent vt. 代表，象征；(尤指以绘画、雕刻等)描绘；体现

　　represent sth./sb. as sth./sb. 把......描绘成......

　　represent oneself as/to be 自称是......

　　①Jay Chou is regarded as a representative of the youth of his generation.

　　周杰伦被看作他那一代年轻人的典型代表。

　　②The latest incident is_representative_of a wider trend.

　　最近发生的事件代表了一个更大的趋势。

　　③These exhibitions have been selected because they represented Chinese traditional culture best.

　　这些展品最能代表中国传统文化，所以入选。

　　④He represented himself as/to_be a true patriot.

　　他自称自己是一个真正的爱国者。

　　2．(教材P50)Kathy, I don't like to argue, but in defence of the Venice Film Festival, I have to point out that we don't just have Hollywood films.

　　凯西，我不想争论，但是我得为威尼斯电影节说句话，我得指出我们有的不只是好莱坞电影。

　　in defence of为......辩护；防卫

　　①Mr. Green stood up in defence of the 16­year­old boy, saying that he was not the one to blame.

　　格林先生站起来为那个16岁的男孩辩护，说他不应该受责备。

　　defend v．　　　　　　　　　 防卫；为......辩护

　　defend oneself 自卫

　　defend sb.from/against ... 保护某人不受......

②They tried to defend_themselves against the enemy with all their might.