Users expect your program to handle their input, and you should expect the unexpected.

用户期待程序处理他们的输入，而您应该预期会出现意外情况。

youdao

Users expect your program to handle their input, and you should expect the unexpected.

用户期待程序处理他们的输入，而您应该预期会出现意外情况。

youdao