1.Unless you walk along this creek,otherwise you will be lost in the jungle.
2.As far as we are concerned,helping those that need help is meaningful.
3.We should replace cars with bicycles in order to reduce pollution.
4.Can you imagine how my ideal college looks like?
5.He loves football passionately,he feels that it is worthwhile to devote his whole life to football .翻译1.要大量生产汽车，给人们出行方便，创造更多就业机会2.要减少汽车数量，会引起交通事故，照成空气污染

1. In order to provide convinient travel and create more jobs, there should be mass production of automobiles.

2. Number of automobiles should be reduced because they create traffic accidents and environment pollution.