Find out who's living double in this identity English lesson.
找出本节身份英语课中谁过着双面人生。
2
Those nonprofits learned a painful lesson: Attempting to start an unrelated business venture means they were hit with a double whammy.
这些非营利组织学到了痛苦的一课：尝试非营无关业务意味着他们腹背受敌。
3
Bezos warned that the gift of creativity was a double-edged sword that could lead to complacency and worse, a know-it-all attitude, a lesson that he candidly admits he learned the hard way.