In computing, invariants are ephemeral.
The work of every workman is fully planned out by the management at least one day in advance, and each man receives in most cases complete written instructions, describing in detail the task which he is to accomplish.
你必须度过一些糟糕的日子才能赢得人生中最美好的日子。
Collaboration between governments, businesses, and scientists is key to protecting our oceans.