这种食品未必便宜，也并不一定总是很快就会做好。
It is not necessarily cheaper nor is it always quickly prepared.
闪光的未必都是金子，而沉默的也不一定就是石头。
All that glitters is not gold, but also is not necessarily a stone silence.
卖得好的东西未必都是好设计，而好的设计也不一定卖得好。
What sells well does not mean it is good design. Vice versa, good design does not always sell well.
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