他训练猎狗帮他打猎，教看家狗守家。
He trains the hound to help him hurt and teaches the housedog to watch the house.
一户人家从城里搬到郊区，有人告诉他们应该买一条看门狗来守家。
A family moved from the city to the suburbs, and were told they ought to get a watchdog to guard their house.
小企业家开发出了不起的新产品，也是守规则的产品，然后突然之间规则就变啦？
An entrepreneur develops a great new product and is following the rules, and then the rules suddenly change?
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