Help yourself to celery and carrots and other vegetables.
请你们自己盛芹菜, 胡萝卜 和其他蔬菜。
I'm going shopping because I need to buy some clothes.
我要去购物,因为我需要买一些衣服。
Alternatively, if the star were small, the life-supporting planet would have to have a close orbit round it and also provide the perfect conditions for life forms to develop.