translation.en: This study tracked about 1,000 adults in the United States, and they ranged in age from 34 to 93, and they started the study by asking, "How much stress have you experienced in the last year?"
translation.zh: 研究追踪约1千名美国境内 34到93岁的成人 研究一开始就问 「你去年有多大压力? 」