I guess it's plant trees, cut down a tree or catch bugs such jobs. or maybe, She is talk about buy or sell tree with foreign businessmen, some thing like that, I'm not sure of that.

我估摸着是种树、砍树或者除虫之类的工作，又或许是和外国人谈点买树卖树之类的生意，不是很确定。

youdao

In principle, we could play this with the whole class, but let's single out a particular row of the class so I'm going to come down here and I guess eventually, well I'll grab it in a minute.

理论上,我们可以全班一起做这个博弈,但我要选出特定的一行,我先走下来,我觉得,我很快就能挑到人

耶鲁公开课 - 博弈论课程节选