Fragility - When you make a change, unexpected parts of the system break.
脆弱-当你做出一个修改，系统中意想不到的某部分将会崩溃。
Whatever plans you make, there is always something unexpected that will interfere with them.
不管你的计划是什么，总有意想不到的事情来干扰它们。
If you stick to practising English, you'll make unexpected progress.
要是你每天坚持练习英语，就会取得很大进步。
If you stick to practising English, you'll make unexpected progress.
要是你每天坚持练习英语，就会取得很大进步。
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