By middle school, many kids’ interest in learning falls off a cliff. The ripple effects could last for years.

自言自语并非疯言疯语，而是高效的思考方式。它能帮助我们理清思路、激发灵感，甚至提高认知能力。下次看到有人自言自语，请别急着评判，他们可能正在高效思考。