The mines operated up to 1990, until a surging yen and international competition drove operations out of business.
这个矿一直开到1990年，直到日元币值飙升和国际竞争才逼迫公司停止运营。
Today, demand by middle-class buyers is surging as salaries rise and car prices, driven down by competition, plummet.
今天，收入增加和竞争带来的车价下调更刺激了中产阶级的购车需求。
应用推荐