yán jiū rén yuán / tōng guò / bǐ jiào / tóng luǎn shuāng bāo tāi / tàn tǎo / yí chuán / yǔ / huán jìng / duì / xìng gé / de / yǐng xiǎng

研究人员通过比较同卵双胞胎，探讨遗传与环境对性格的影响。

Researchers compare identical twins to study how heredity and environment affect personality.