The value of a bond, note or other promise to pay depends on the financial condition of the promisor.
债券、票据或其他支付允诺之价值取决于允诺人的经济状况。
Consideration is provided by the promisee, though not necessarily to the promisor;
对价一般由受约人提供，但不一定提供给立约人；
A written promise, sealed or unsealed, may be delivered by the promisor in escrow, conditionally to the promisee, or unconditionally.
书面诺言，无论是否盖印，都可以由诺言人以第三方保管的方式有条件或者无条件地交付受诺人。
A written promise, sealed or unsealed, may be delivered by the promisor in escrow, conditionally to the promisee, or unconditionally.
书面诺言，无论是否盖印，都可以由诺言人以第三方保管的方式有条件或者无条件地交付受诺人。
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