怎样才能自我承诺，并将自己每天都步入正轨？
How could making a promise to yourself keep you on track each and every day?
他们将学习新的事物，建立新的友谊，增强自我承诺和责任感。
They will learn new things, establish new friendships, and increase self-commitment and responsibility.
奥运志愿者不断学习新的事物，建立新的友谊，增强自我承诺和责任。
The Olympic Volunteers will learn new things, establish new friendships, and increase self-commitment and responsibility.
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