What do we show loyalty to when we say the Pledge of Allegiance?

问：我们宣誓效忠时是向什么表达忠诚？

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The existence of such a group, to life to fulfill its pledge of loyalty.

有这样一个群体，它以生命履行忠诚的誓言。

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Disliking constraints of any kind except those she imposed upon herself, she refused to sign a loyalty pledge when she was appointed to a teaching post at Idyllwild arts school and, in 1990, took the National Endowment for the Arts to court when it asked her to accept a no-obscenity clause in return for a grant.

ECONOMIST: Obituary

Many retailers pledge loyalty--or 80% of sales--to one of the top two brands, Trek or Specialized.

FORBES: Spinning Wheels