proprietary equity

例句：

1. 1. The company's board of directors has approved a new investment in the tech startup.
   该公司董事会已批准对这家科技初创公司的新投资。
2. 2.The private equity firm is looking to acquire a controlling stake in the struggling retailer.
   这家私募股权公司正在寻求收购这家陷入困境的零售商的控股权。
3. 3. The proprietary equity in this technology was instrumental in its success.
   这种技术的专有权益是其成功的关键因素。