ちゃんとドキュメントを読むのと、実行したいタスクのリストがどこから来ているのかよく考えよう

＞If you develop a JavaScript application using Node.js as the runtime, you usually have a `package.json` file describing your dependencies and the scripts to run.
＞you usually have a `package.json` file describing … the scripts to run.