The other thing that I think would come out of the discussions

另一个需要讨论的话题是
is that diversification is important.

分散投资很重要
Anybody whose read a basic finance text, as a matter of fact,

事实上任何一个读过金融基础教材的人
I think anybody who thinks about

任何一个
investments in a common sense fashion

以正常思维来考虑投资问题的人
knows that diversification is an important fundamental tenet

都知道分散投资是投资管理的
of portfolio management.

一条重要的基本原则
As a matter of fact, Harry Markowitz

事实上哈里·马科维茨
called diversification a "Free lunch."

就把分散投资喻为"免费的午餐"
We spend all our time in intro. Econ.

我们都学过经济学入门课程
figuring out there is no such thing as a free lunch

知道世上没有免费的午餐这回事
but Markowitz tells us that diversification is a free lunch.

但马科维茨称分散投资是免费的午餐