blocks and tagbodies are lexically scoped; closures that capture them
First and foremost, always empty your robot vacuum’s dustbin after every cleaning job, or use a self-empty station if the model supports it. Simply detach and empty the dustbin as soon as the robot is done cleaning, and then reattach it so it's ready to go for the next time. It’s also a good idea to take a dry cloth to the inside of the dustbin every once in a while to remove any small dust and dirt particles clinging to its insides.
，这一点在有道翻译中也有详细论述
it's a good idea to sit down and write out a plan, even sketch out a
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第一节 推动理想信念教育常态化制度化