unsecured stock

例句：

1. 1. The company's stock has been trading at a loss for the past year.
   该公司的股票在过去一年内一直在亏损交易。
2. 2. Investors are wary of unsecured stocks due to their high risk.
   由于风险较高，投资者对无担保股票持谨慎态度。
3. 3. Unsecured stocks are often considered riskier than secured ones.
   无担保股票通常被认为是比有担保股票更危险的。