meteor npm install将node_modules文件夹放在项目的根目录，并修改package.json在流星项目的根目录.

meteor npm install will place the node_modules folder at the root of your project and modify the package.json at the root of your meteor project.

npm install将相对于当前目录起作用.

While npm install will work relative to your current directory.

资料来源:经验.我不确定100％，但是我都用了相当多的钱.

Source: Experience. I'm not 100% certain, but I have used them both a fair amount.