A security is a fungible, negotiable financial instrument that holds some type of monetary value.
债券是一种能够保有某些种类资金价值的,可替代，可商议的金融工具。
It represents an ownership position in a publicly-traded corporation (via stock), a creditor relationship with a governmental body or a corporation (represented by owning that entity's bond), or rights to ownership as represented by an option.
它标志着一家上市公司的所有权（通过股票形式），对政府组织或企业（以拥有权益性债券的形式呈现）的债权，或者是以期权形式表现出的所有权。
