no less than等于（你期望较少）
例句Over the last 40 years, it has produced no less than 57 international hockey players, including the stars Tahir Zaman, Rashid-ul-Hassan and Shahbaz Jr. ——BBC，http://www.bbc.co.uk/sport/0/olympics/17401708
not less than不小于，大于等于
例句The term `serial killings' means a series of three or more killings, not less than one of which was committed within the United States
——美利坚合众国联邦法案《保护儿童免受性侵害法案》（PROTECTION OF CHILDREN FROM SEXUAL PREDATORS）http://www.gpo.gov/fdsys/pkg/PLAW-105publ314/html/PLAW-105publ314.htm，来自国会图书馆。
佐证!< (Not Less Than) (Transact-SQL): Compares two expressions (a comparison operator). When you compare nonnull expressions, the result is TRUE if the left operand does not have a value lower than the right operand; otherwise, the result is FALSE.