To ignore racism or deny its existence is to allow it to continue.

忽视或者否认种族主义的存在就是允许歧视继续发生。

youdao

It only lasts long enough to allow a few observers to evolve at the tail-end of its existence.

ECONOMIST: The universe, it appears, may not be alone

The idea had been to create legislation that would produce spending cuts so distasteful to both sides of the aisle that its mere existence would force everyone involved to come up with a more acceptable deal in order to allow the debt ceiling to rise.

FORBES: The Fiscal Cliff Explained