Certainly in example sentence

So many people worked on it, but by the '40s, certainly by the '50s, this strange but very compelling idea of how to unify the laws of physics had gone away.

More example sentences with word certainly

But we'll certainly learn a lot.

This certainly is an accomplishment that must never be surpassed.

A hundred years ago, it's certainly true that to drive a car you kind of needed to know a lot about the mechanics of the car and how the ignition timing worked and all sorts of things.

Certainly this is not the first time that we've had great progress with women.

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