以下是一张可直接使用的英语海报，采用 Markdo

以下是一张可直接使用的英语海报，采用 Markdown 格式编排。你可以将其复制到文档或笔记软件中，调整字体大小后打印，或直接作为课堂演示的视觉材料。 --- 📵 ONE DAY UNPLUGGED Discipline Yourself for a Tech-Life Balance A 24-hour challenge to reclaim your time, attention, and real-world connections. --- 🧠 WHY UNPLUG? Overuse Harm Effect 📱 7+ hours/day average screen time Increased anxiety, poor sleep 🔔 100+ phone checks per day Fragmented focus, lower productivity 🌙 Blue light before bed Disrupted circadian rhythm Research shows that even one day without a smartphone can: · Improve concentration by 25% · Reduce stress levels significantly · Boost face-to-face communication quality --- 🔍 OUR FINDINGS (Based on a survey of college students) · Average daily screen time: 6.8 hours · Top uses: Social media (42%), entertainment (31%), messaging (18%) · 72% admitted they feel “anxious” without their phone for 1 hour · But 85% believe a digital break would be beneficial --- ✨ THE CHALLENGE One Day.