趣味青春英语电台 第310期:Rule of thumb

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Rule of thumb ( common sense )

Hit the book:

Center around

Appeal

Compromise

Prioritize

Domino effect

Nudge

Self-perpetuating

Price-sensitive

The chances of Taco Bell committing to use only cage-free eggs seemed particularly unlikely given how the promise might affect its breakfast menu, which was first introduced last year. The strategy has centered around novelty—there was a waffle taco, then a biscuit taco — and convenience: All of their offerings are easily eaten on the go, many with only a single hand. But its appeal has been predicated on price. Switching to cage-free eggs could compromise that, and with it, the chain's chance of elbowing out some room in the fast-food breakfast space.

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