Algeria is the gateway to Africa.

Tom couldn't access his favorite website because of a "504 Gateway Time-out" error.

In the gardens of the better classes summer-houses and shelters of rustic appearance and diminutive proportions are often seen. Rustic arbors are also to be seen in the larger gardens. Specially constructed houses of quaint design and small size are not uncommon; in these the ceremonial tea-parties take place. High fences, either of board or bamboo, or solid walls of mud or tile with stone foundations, surround the house or enclose it from the street. Low rustic fences border the gardens in the suburbs. Gateways of various styles, some of imposing design, form the entrances; as a general thing they are either rustic and light, or formal and massive.

Algiers is the gateway to Algeria.

Education is a gateway to success.

The department store is a gateway of sorts to Paris’ Goutte d’Or neighborhood, home to a large African immigrant community.

A car was blocking the gateway.

St. Louis, Missouri is famous for the Gateway Arch and the Anheuser-Busch Brewery.

This pass is a gateway to India.

Tom's latest movie just came out. It's called "Tatoeba: Bad Gateway".