爱！在双方引起的许多个微不足道的动作里，从来就没有固定的模式，只有爱，可以是任何一中平淡无奇的形式。
Love! In many a not worth mentioning movements caused by both sides, there is no fixed pattern, only love, can be in any form of appear trite and insignificant.
其他科学家把同样的行为因于条件反射和后天学习的反应。当然没有感情或有意识的想法，反应和固定的动作模式也可以发生。
Other scientists have attributed the same behavior to conditioning, to learned responses. Certainly reflexes and fixed action patterns can occur without feeling or conscious thought.
其他科学家把同样的行为因于条件反射和后天学习的反应。当然没有感情或有意识的想法，反应和固定的动作模式也可以发生。
Other scientists have attributed the same behavior to conditioning, to learned responses. Certainly reflexes and fixed action patterns can occur without feeling or conscious thought.
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