"Systems thinking works by expanding its view to take into account

"在研究问题时通过思考不同事情的
larger and larger numbers of interactions as an issue is being studied.

交互关系系统思考才能奏效
It is extremely effective on problems involving complex issues,

在解决复杂的问题时这方法很奏效
those that depend a great deal on the past

因为这些问题大多取决于
or on the actions of others,

过去或其它事物间的作用
and those stemming from ineffective coordination among those involved."

也可能是由于各事物间协调不力造成的"
I hope that after your course with Kelly that that might--

我希望你们上完凯利的课程后
that kind of framework might seem to

在我所说的这些问题的时候
make sense in addressing these issues.

这些框架你们都能理解
The third idea is one that

第三点是
no matter what kind of agricultural system a society utilizes,

无论社会采用哪一种农业系统
that you can't escape having 50% to 60% of that population

人口总数一半或以上的人都必定会