My boss wrote me a glowing letter of recommendation.我的老板给我写了一封赞许有加的推荐信。It turned out that many of the letters of recommendation were from nonexistent companies.最后发现，许多推荐信都是一些并不存在的公司写的。Try to get letters of recommendation from bosses and colleagues.设法得到老板和同事的推荐信。