More importantly, it's just plain useless, and useless buttons are never a good thing.
更重要的是，它毫无用处，而没有用的按钮不是好东西。
As a question in listening said, certificates are useless and skills are more important.
正如听力中一道题说的，证书没什么用，重要的是技能。
Accredited try and then know, say more useless!
是否具备资格试一试便知，多说无益！
Accredited try and then know, say more useless!
是否具备资格试一试便知，多说无益！
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