Long before the house came into Bobby's possession, a grandfather clause in the law preserved its existence.

He felt dizzy, as if a last chance were being offered him to preserve his true existence.

In most cases, this benefit should be seen in promoting the sound development of the business or, perhaps, in preserving its existence.

He wrenched his mind away and set it to the immediate task of preserving his own existence.

You go to all that trouble to preserve your existence, and then one day you just don't come back in time.

Without this basic feature, the book's resolution which preserves the Moties' existence could not have occurred.

And if the latter, should I continue to preserve my existence as my basic battle programming requires?

In this context, the moderates' efforts to preserve the nation's existence were admirable.

As Triskelions they also persevered to preserve the fraternity's existence during its trying times.

Still, more efforts need to be made to preserve their natural existence in the wild.