Give books "just because" for teamwork tasks (aka chores) being well done or because you noticed them demonstrating a positive virtue like compassion.

给他们书本，“仅仅是因为”团队工作(又叫做家务劳动)完成出色，或者由于你注意到他们表现出了某种美德如同情心。

youdao

Strong sense of responsibility and positive work attitude, good teamwork capability.

较强的工作责任心，积极的工作态度，良好的团队协作能力。

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Greed is the enemy of gratitude. It saps the positive energy which gratitude can foster, and unleashes blind selfishness which undermines self-improvement and teamwork.

贪婪是感恩的敌人，它衰弱感恩培养出的正能量，释放能削弱自强和团队精神的盲目自私。

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There are a number of ways managers, entrepreneurs and co-workers can integrate the positive effects of teamwork into their work environment.

FORBES: Can Working In Teams Build Your Intelligence?

Kahn says sailing can teach Shark about teamwork, performance and having a positive attitude.

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Though video games can stimulate the mind in positive ways, as they teach hand eye coordination, teamwork skills and problem solving, prolonged exposure can lead to obesity and attention deficit problems.

FORBES: The Interesting Neurology of Gaming