Then, over the next year, researchers in conjunction with local public health officials monitored food purchases at the Taco Time chain of restaurants.

而且，在第二年，研究人员与当地公共健康行政人员检测了从Taco Time连锁店买到的食物。

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The snack food giant plans to roll out its Doritos in a "Taco Bell" flavor as a limited-time product this spring, aiming to capitalize on the popularity of the Doritos-flavored tacos introduced by the fast-food chain last year.

WSJ: Doritos to roll out chips in 'Taco Bell' flavor

Since Frito-Lay didn't have a production line for the flavored shells at the time, the Doritos seasoning was sprayed onto regular taco shells so executives could get of sense of how they'd taste.

WSJ: Doritos to roll out chips in 'Taco Bell' flavor