It was complicated. It involved swimming in the same pool with the trading desks of the big commercial Banks.
这很复杂，其中涉及与大型商业银行的交易部门同甘共苦。
2
The battle to keep the earth's gene pool free from the patent office and free of commercial exploitation is going to become one of the critical struggles of the biotech age.
使地球基因库摆脱专利局的控制和商业性利用的斗争将是生物技术时代的关键战役之一。
3
That has led to a flood of new businesses geared toward commercial cleaning services, all of them fighting for what may be perceived as a static pool of customers.