Check the electric switch after everything is ok, then put out the lamp, went to bed.
检查电器开关都一切正常后，便熄灯，上床睡觉了。
Confirm connecting ok then fix the light body and electrify to test function, Reading lamp and head lamp lighten when open the car door.
确认接线无误固定好灯体即可通电试功能，开门时阅读灯和照明灯应亮。
But for something, like bike, lamp or something like this, it is OK. honestly, sometimes, I even found I became addict to second-hand stuff. The full process is interesting.
但是有些东西，比如微波炉，自行车，就无所谓啦，对于我这种喜欢占小便宜的“抠门”二手货自然是上好的选项。
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