重点讲解：
1. drive up
使上升；抬高；
eg. The growth in demand is certain to drive up the price.
需求的增长一定会使价格升高Lj1;f1of!eh~OEhL@7。
eg. This could drive up the demand for gold.
而这些趋势将导致黄金需求有所上升qB0R8qmdZA!VnE。
2. the equivalent of
等同物；等值物；对应物；
eg. That dress cost the equivalent of a week's salary.
买那件连衣裙花的钱相当于一个星期的工资iC(%W-x0prt。
eg. Breathing such polluted air is the equivalent of smoking ten cigarettes a day.
呼吸这些被污染的空气就相当于一天抽10支烟KseZ~q]Z3x@8H^Z2。
3. open up
开放；开设；开展；
eg. They decided to open up a business in the town.
他们决定在城里开展业务gob9OVW(k1j。
eg. They decided to open up the island for cultivation.
他们决定开发这个岛vv^Vz)[R;RWSx.tFbc。
4. get hold of
（通常指好不容易）得到，获得；
eg. I'd like to get hold of two tickets for the concert.
我想搞到两张音乐会的票8)f*&51a^cZfZrN。
eg. If the newspapers get hold of this scandal, they'll really have a field day!
报纸如果能抓住这件丑闻，那可就有机会大做文章了uYqtSXH&kf]BkAOZz。
5. have no idea
不知道；不了解；
eg. We have no idea how to persuade him to give up the idea.
我们不知道如何说服他放弃这个念头[tx09r;%u4wo;GPvGD。
eg. I have no idea why he resigned his post.
我不知道他为何辞去他的职务~t)@.1bWg71。