Information is also constrained by the off-market nature of many of these transactions.场外交易也是资讯缺乏的一个因素。
Investments come mainly through an off-market convertible-debt-style security, paying interest (sometimes in cash, somet投资主要来自于市场外的支付利息（现金或者以货代款）的可转债证券和以最终股权或者约定价格定价的股权启动机制。