"We'd like to expand as much as we can where there are empty lots that have ample amounts of sunlight, that have access to water and that have a community rallying around projects such as this."

VOA: special.2010.07.06

I'm gonna keep as part of each stock, it's history of prices, which we can initialize, well, I've initialized it as empty, but that's probably the wrong thing, right?

我会把股票的历史价格，作为每只股票的一部分，我们可以先对它的历史价格进行赋值，好了，我先给它赋了空值，但是这样做可能不对，是吗？

麻省理工公开课 - 计算机科学及编程导论课程节选