Sentence examples for has existed before from inspiring English sources

Mr. Ridley's contribution is that he has extracted from existing material a considerably more complete and colorful portrait of Crick than has existed before.

These are features of a political current that has existed before.

The other threat to security, Dr. Pearl said, comes from a problem that has existed before people started etching characters on stone tablets: human error.

These feeds immortalize the sit-in and give posterity access to the spirit of activism at Princeton that has existed before they came, and will exist as long as Princeton lives.

"Bubble 2.0" has existed before.

In many ways, this is a unique book, and nothing quite like this exists now nor has existed before.

Companies that literally could not have existed before will emerge.

Well, could a selfie have existed before the term existed?

This dish must have existed before, it is so good".

Though touchscreen laptops had existed before, none was successful.

The government created an underclass where none had existed before.