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Highlights from chinadaily.com.cn

Buzzword: "Unprotected sleep" is going back to sleep after turning off your alarm clock, risking not waking up for a job, class or other daily task. Unprotected sleep often comes after staying up late or working late. It might also be delightful to have unprotected sleep during weekends or holidays. However, unprotected sleep can be harmful to one's health because it may disturb your biological clock, resulting in short memory and blunt responsiveness.

Chinese economy: China will become the world's largest economy in 2024, as the country's consumer spending is expected to almost quadruple from 2013 to 2024, said IHS Inc, a global industrial data and analysis company.