问答题
A well-known phrase has had all its vowels removed and has been split into groups of three letters, which are in the correct order. What is the phrase?
KPT HBL LRL LNG
【正确答案】Keep the ball rolling.
【答案解析】题干中给出了三点提示信息：1．这是一个熟知的短语；2．该短语中所有元音字母均被移出；3．单词顺序正确。Keep the ball rolling意为“继续下去，不中断”。