India, for example, has spent billions developing its own light combat aircraft, the Tejas, even though more economical alternatives are available from foreign sources.

例如，印度已耗资数十亿美元研制本国的轻型战斗机光辉，即使它可以从国外买到更划算的替代型号；

youdao

Shell also controls Tejas, an American gas-pipeline firm, and Coral, which is the fifth-largest gas marketer in North America.

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But he opted instead to join a local software start-up called Tejas Networks.

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Now, this project was started in the 1980s and the first HAL Tejas is supposed to enter service in 2014.

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