The key is to do it consistently, say, each night after dinner.
关键是要持之以恒，比如，每天晚餐后。
I came home last night, only to find the key.
我昨天晚上回家，找到了钥匙。
My bank was robbed last night, Sir, with a false key.
昨天夜间我的银行遭到抢劫，先生，用的是一把另配的钥匙。
The key point is that people need to respect their sleep, and make an effort to switch off at night.
重点在于人们需要重视睡眠，并尽量在晚上关机。
Color night vision technology is one of the key technologies in night vision field.
彩色夜视技术是夜视领域的关键技术之一。
Color night vision technology is one of the key technologies in night vision field.
彩色夜视技术是夜视领域的关键技术之一。
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