The goal for every dog trainer is to reach a point of variable reinforcement.
每一位训犬者的目标是达到可变的正增强。
My trainer says that I should run a hour every day.
我的健身教练说我应该每天跑一个小时。
Strength Training is the ultimate personal trainer for every reader.
力量训练是最终为每个读者的私人教练。
Every elite and professional athlete has a coach or trainer.
每个顶尖和职业运动员都有教练。
Every elite and professional athlete has a coach or trainer.
每个顶尖和职业运动员都有教练。
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