Challenge, the feeling of accomplishment, and knowing that you have made a contribution.
挑战,成就感和知道自己做出了贡献。
We're afraid that your product's quality won't satisfy Chinese customers.
恐怕你们的产品质量无法使中国顾客满意。
Of course he is. He's very successful. He's made lots of records. They broadcast a programme of his music last month on the radio. Why don't you come on Saturday? I think you'd enjoy it.