设想这样一种情景：人们虽然能轻松懂得如何使用某件物品，但是却缺乏执行操作的能力。
A problem arises when someone easily understands how to use an object, but cannot execute the action required to do so.
“如果人们真正懂得了这些测试是这样做的，他们可能就会选择一些人道化妆品品牌了，”他补充。
“If people actually knew about the tests involved, they might insist on buying their cosmetics from a cruelty-free brand,” he added.
因为不管是什么样的游戏，如果人们想要赢的话，那么就必须要懂得技巧，特别是对于麻将这样的游戏，它所需要的技巧是十分的多的。
Whatever the game because it is over, if people want to win, so you must know the techniques, especially for the mahjong games like that, it needs skill is very much.
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