By using these three methods in combination, you can check almost all common conditions.

通过结合使用这三种方法，可以检查几乎所有常见的条件。

youdao

I will continue using the Contact example as I explain these other methods.

就像其他方法一样，我仍然使用Contact示例进行说明。

youdao

I will continue using the Contact example as I explain these other methods.

就像其他方法一样，我仍然使用Contact示例进行说明。

youdao