To software engineers, these messages are equivalent to the humming of the machinery, the babbling of the brook, the white noise of the waves crashing on the beach: They tell us that all is well.

• 对于软件工程师来说，这些信息就是机器发出的嗡嗡声、小溪的流水声，以及海浪拍击海岸的持续不断的噪声，它们在告诉我们程序运行正常。