came into existence

• v. 出现(存在；产生；形成；成立)

came into existence的用法和样例：

例句

1. No one knows when such a custom first came into existence.
   没有人知道这种风俗什么时候开始有的。
2. Do you know when this kind of robot came into existence?
   你知道这种机器人是什么时候问世的吗？
3. The Government had intended to limit the wage increases of all workers to a reasonable amount, but several trade unions got a march on them by receiving very large increases before the new laws came into existence.
   政府部门本来打算把所有工人的加薪幅度限制在一个合理的水平上，但是几个行业工会抢先一步，在新的法规出台之前就获得了大幅度的加薪。