1. The identification of even one gene does, however, have immense implications for the genetics/environment debate. 不过,哪怕辩出一个基因对于遗传与环境之争也是意义重大的。
2. His only means of identification was his passport. 他唯一证明他身份的办法是用他的护照.
3. In a lunchroom a second assistant hurried to the side of the cashier, where they took my $2 check without asking for ID; 在一家快餐店,一个帮工赶紧走到收银员的身边;在那里他们收下了我 2 美元的支票,连身份证也没看。