好的。路上小心点。
Be careful on the way to school and back home. Be sure to look at the traffic lights when crossing the road.
上学、放学的路上注意安全,过马路时要看红绿灯。
They might have been more careful about the way they built the system, simply because they knew you were going to be collecting data on their performance.
他们也许在构建系统方面更加小心,只是因为他们知道您将在他们的执行中收集数据。
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