名詞 security:

1. the state of being free from danger or injury
   同義詞：security
2. a formal declaration that documents a fact of relevance to finance and investment; the holder has a right to receive interest or dividends
   同義詞：security, certificate
3. a department responsible for the security of the institution's property and workers
   同義詞：security, security department
4. measures taken as a precaution against theft or espionage or sabotage etc.
   同義詞：security, security measures
5. defense against financial failure; financial independence
   同義詞：security, protection
6. freedom from anxiety or fear
   同義詞：security
7. an electrical device that sets off an alarm when someone tries to break in
   同義詞：security system, security measure, security
8. property that your creditor can claim in case you default on your obligation
   同義詞：security, surety
9. a guarantee that an obligation will be met
   同義詞：security, surety

1. The area of an exchange where securities are traded.
   交易所交易所中進行證券交易的區(qū)域
2. Relating to or being stock or securities not listed on a stock exchange.
   未上市的關于或是未在一家股票交易所上市的股票或證券的
3. One, such as an investor, that sells securities or commodities in expectation of falling prices.
   賣空者，做空頭者拋售股票或商品希望造成價格下跌的人，如某位投資者
4. Failure to receive the proceeds of a transaction, as in the sale of stock or securities, by a specified date.
   交割失信在股票或抵押品售出后，未能在規(guī)定日期內辦理交接手續(xù)