英文: Incentive is the soul of success.
中文: 激励是成功的关键。英文: Maybe they just need more incentive.
中文: (也许他们只是需要更多的激励。)英文: Establishing incentive mechanism encouraging the family planning.
中文: 建立鼓励家庭实行计划生育的激励机制。英文: This is socially an extremely valuable incentive.
中文: 这是一个极其重要的激励。英文: He hasn′t much incentive to work hard.
中文: 他没有努力工作的动机。