Three businessmen were having dinner at a club. When it came time to pay the check, each grabbed for it.
"It's a business expense," said one.
"I'll pay," said the second. "I'm on cost plus."
"let me have it," argued the third. " I'm filing for bankruptcy next week."
PS:商人是精明的，三个争着买单的商人，其实都不用自掏腰包，相信读者略加思索就能发现其中的奥秘，
把你发现的奥秘评论下来给我们分享吧！