AND SALESMEN HAVE TO DO A LOT OF GLAD HANDING IF THEY WANT TO MAKE MONEY

AND SALESMEN HAVE TO DO A LOT OF GLAD HANDING IF THEY WANT TO MAKE MONEY
AND SALESMEN HAVE TO DO A LOT OF GLAD HANDING IF THEY WANT TO MAKE MONEY

AND SALESMEN HAVE TO DO A LOT OF GLAD HANDING IF THEY WANT TO MAKE MONEY
推销员要赚钱,做事不得不以笑脸相迎

Glad handing 没上下文,很难理解.

和业务员已做的工作很多，很高兴交出他们如果要赚钱

GLAD HANDING 直译是表示与人握手并带者微笑，喻应酬。
所以这里的意思就是推销员要有很多应酬才能赚到钱。