美国
学习制造和测试大炮——提高自己，应征入伍，在军械部学习一门技能。`Learn to make and test the big guns – better yourself, enlist and learn a trade in the Ordnance Dept. (1919) by Charles Buckles Falls
美国
学习驾驶柯蒂斯·赖特飞行服务队，世界这是世界上最古老的飞行组织。`Learn to fly Curtiss~Wright Flying Service, worls oldest flying organization. (1930)
美国
你你足够聪明，可以学习40种不同的足球比赛`Youre bright enough to learn 40 different football plays by U.S.. Department of Health & Human Services
美国
他们可能从朋友那里学到了性知识，他们我们最好向你了解这些。`They might have learned about sex from their friends, theyd better learn about these from you.
美国
在那里学习和赚钱这是美国军械部年轻人的职业和教育`Learn and earn Theres a trade and an education for young men in the Ordnance Department U~S~A (1919) by Charles Buckles Falls
美国
来吧，学点东西，看看美国海军`Come along – learn something, see something in the U.S. Navy (1919) by James Henry Daugherty
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