Avis, a car-hire firm, has a share in a sharing rival.

Rival firms competed with each other to follow where he led.

His insistence on putting users first, and focusing on elegance and simplicity, has become deep-rooted in his own company, and is spreading to rival firms too

an unbeatable rival in the computer industry ?

His firm determination to win in the competition against his rivals.

Competition from rival companies.

Local media reports suggest Calbee and its main rival Koike-Ya are halting almost 50 products.

The idea is that competition between rival operators would lead to better service at airports.

They became rivals of their Parisian counterparts.

Several opponents have recently?emerged, ranging from rival tech giants such as Microsoft and Amazon to small bodies representing authors and publishers across the world.

In Einstein's day, there were only a few thousand physicists worldwide, and the theoreticians who could intellectually rival Einstein probably would fit into a streetcar with seats to spare.

Both may fail when confronting experienced rivals.