Catching a fish is a lot more complicated than just throwing a worm in the water.
钓鱼可不是把鱼饵抛进水里那么简单。
She spends much of her leisure times watching TV.
她花很多空闲时间看电视。
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.