1. Automobile production is down; bicycle production is up. Crowded highways, high gasoline costs, and ease of bicycling are three reasons for this change.
    汽车产量在下降，自行车产量在上升。导致这一变化的三个原因是：拥挤不堪的高速公路、价格昂贵的汽油以及方便自如的自行车出行。

2. Our car is out of gasoline.
    我们的车没汽油了。