At the age of twenty and with his mother's support, Xu set off for the first time, leaving behind not only his mother but his new wife as well.

徐在20岁那年，在母亲的支持下第一次出发了，留下的不仅是他的母亲，还有他的新婚妻子。

This new feature has a big impact because it will allow PHP to support a broader set of characters for international support.

这个新特性有巨大的影响，因为它允许PHP支持更广泛的字符集，从而获得更多的国际支持。

Each of these has a set of features that support effective unit testing.

其中每一个都有一组特性支持有效的单元测试。