I used to stop for hitch-hikers'till the day I picked up that maniac.
自从有一天搭了一个精神病人以后,我碰到搭顺风车的人就不再停下来了。
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.
反之,如果恒星很小,维持生命的行星就要在离恒星很近的轨道上运行,而且要有极好的条件才能使生命得以发展,