1. The proportion of imports to exports is worrying the government.
    进出口的比例令政府担忧。

2. The volume of rose imports has already crushed some domestic growers.
    大量的进口玫瑰已经挤垮了国内一些种植商。

3. He imports calculators, computers and robots.
    他进口计算机, 电脑和机器人.

4. In 1988, imports accounted for 34% of roses sold here.
    1988年，进口的玫瑰占当地销售量的34%。