headcount 和 head count的区别很大，主要区别是：
headcount，n.点人头数总人数，职员总数。
例句：
（1）Group headcount fell by around 400 between the first and second
quarter.
第一季度与第二季度之间，该集团总人数减少了约400人。
（2）Headcount in that division has grown 9 per cent this year alone.
仅在今年，批发银行部门的员工就增加了9%。
head count，n.[法] 人口调查。
例句：
（1）I did a quick head count and realized Suzie was missing.
我很快点了一下人数，发现苏西不见了。
（2）I did a quick head count and discovered that one member of the class
was missing.
我迅速清点人数，发现班上不见了一个人。
