but in the meantime, I was still doing my study,

但此时我还在进行我的研究
so it really messed up my study,

而这种改变把我的研究彻底打乱了
because part of my study was to see if these policies

因为我研究的一部分内容就是看这些政策
were going to actually change what foods were available;

是否真的会改变食品供应的种类
how many districts were going,

有多少地区将
for example, take out soda as part of their policy.

例如将停售碳酸饮料作为政策的一部分
Well, I was never able to look at that

我能来得及了解
because they all had to do take it.

因为所有的地区都必须这么做了
I was still glad that the law passed,

我还是很高兴这个法案能被通过
but it did mean that my outcome variables had to be adjusted.

但这意味着我的结果变量需要有所调整了
As I said, there was this healthy food certification program,

正如我所说这是个健康食品认证计划
where the districts could agree to participate and get this money.

各地区可以同意参加并获取资金支持