这是为保障你的新的婴儿。
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.
以下就是几个你能采取的措施,来为将来做保障。
Here are some steps you can take to prepare for your future.
The whole idea of insurance is that you take from your good years and you move it into your bad years so that you make it through all your years.
保险的中心思想是,牺牲好年景的部分财富为坏年景提供保障,这样你就不再忧虑年景的好坏
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