有的老师讲话真的听不懂
重听lecture中，老头说：the question is, and there, what's the notion about something is put into the division will automatically ,not solely in it strategy, but also in centralization, decentralization
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button down-原意是 “把衣服的扣子扣好”，引申为：
✅ 把事情彻底敲定 / 确保落实 / 落实细节 / 明确规定
