The unknowledgeable buyer who doesn't verify if a piece of jewelry is actually sterling, will often find that their piece is plated.

在不知情的买方谁不验证是否一块珠宝实际上是英镑，往往会发现他们一块镀。

youdao

When everyone else uses brain mounted computers, those without them will look forgetful and unknowledgeable.

FORBES: The Game Theory of Brain Enhancement