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He’s a real goody two-shoes. He’d never do anything that might get him into trouble.

他那么个八面玲珑的人，才不会惹麻烦。

Between 1969 and 1977, the Institute of Nutrition of Central America and Panama (INCAP) conducted a study of growth and development of children living in 4 villages in Guatemala.

19691977年，中美洲和巴拿马营养学院（INCAP）对危地马拉的4个村子开展了一关于儿童生长发育的研究。