A private collector is a man who collects_______--
问题描述：
A private collector is a man who collects_______--
A for his own benefit
B in private
C on his own
答
a
private collector 私人收藏家
for his own benefit:为自己的兴趣喜好而...
in private:私下里 （不为他人所知的）
on his own:一个人的,不和其他人合作的