letter security
n.
a stock or bond that is not registered with the Securities and Exchange Commission and cannot be sold in the public market
网络释义
短语
letter of security cognizance信的安全审理
national security letter国家安全信;国家安全密函
Security Acceptyource Letter太平许可证
专业释义
英英释义
letter security
n.a stock or bond that is not registered with the Securities and Exchange Commission and cannot be sold in the public market
英汉双解大词典