1.Carefully test and monitor applications prior to production deployment and monitor them while in production.
首先对应用程序进行细致的测试和监视，然后再进行生产部署，并在生产环境中对其进行监视。
2.Carefully test the wire rope that driving suspension coop.
2仔细检查驱动吊笼的钢丝绳是否有断绳现象。
3.If you depend on the return values from Err. Number in your code, you should carefully test the results and modify your code as necessary.
如果在代码中依赖Err.Number的返回值，则应仔细测试结果并根据需要修改代码。