group differences的用法和樣例：
例句
- Large Yorkshire had highly significant differences with Landrace pig.
外來(lái)豬種間只有大約克和長(cháng)白間差異顯著(zhù)。 - Piaget's cognitive development theory and Symbolic Interactionism were adopted to explain and understand the differences found in age groups and ethnic groups.
本研究應用認知發(fā)展理論和符號理論來(lái)解釋及討論所發(fā)現的組間差異。
