不用不用，我还好。都是这个鬼天气，早上还是暖和的大晴天，现在又下雨又冷。
No, no. I am okay. It's the weather. It was warm and sunny this morning and now it's chilly and raining.
为保障你每天不用为传感器更换电池，唯一的可能性是使用不用电池供电的无线传感器。
That's only possible if these sensors are wireless and need no batteries, otherwise in a large building you would have to change the batteries every day.
为保障你每天不用为传感器更换电池，唯一的可能性是使用不用电池供电的无线传感器。
That's only possible if these sensors are wireless and need no batteries, otherwise in a large building you would have to change the batteries every day.
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