冰枫星雨
如果说来自美国制作的物品,made in the USA如果说来自美国设计的物品,designed by USA如果说是出生来自美国的人,he/she is from USA.如果说是单纯来自美国的人,he/she came here from USA one year ago.[最好加上时间]。
潘潘大小J
China is a developing country while the United States is a developed country. developing country = 发展中国家 developed country = 发达国 China
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