It's a family business, it may not bring in a lot of money, but it keeps the family together.
这是家族生意,虽然不一定可以赚大钱,但可将整个家庭凝聚在一起。
Poison to a snake is merely a luxury; it enables it to get its food with very little effort, no more effort than one bite.
毒液对毒蛇来说只不过是一种舒适生存的优越手段,它使蛇不用费多大力气就能捕获到食物,轻咬一口即可。