Slingshot / Catapult – Every kid’s favorite thing to do with a rubber band, but if you think hard enough, I bet there are some practical uses for making one of these.
弹弓/弹射器 - 这是每个孩子都喜欢用橡皮筋做的玩具，但是如果你认为做弹弓很难，我相信还会有其他比较实用的方法。
"This is not a password you're going to need every day, so setting a very hard password and recording it at home on a piece of paper is probably a safe thing to do," Stolfo says.
斯多夫说：“你并不需要天天用到这个密码，所以你尽可以设一长串复杂的密码，并将其记在纸上留在家里就可以高枕无忧了。”
You have to be on the bike every day, which is not the most exciting thing to do, and it's hard work.
你必须每天都骑车，这可不是什么有趣的事情，是个苦差事。
You have to be on the bike every day, which is not the most exciting thing to do, and it's hard work.
你必须每天都骑车，这可不是什么有趣的事情，是个苦差事。
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