C. Rewards and punishments are regarded as more effective by high achievers than by low achievers.

奖赏和惩罚对于学业好的人比学业差的人更有效。

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A voting trust is valid for not more than 10 years after its effective date unless extended under subsection (c).

除非依据(c)小节的规定延期，投票信托组织的有效期自生效日起不得超过10年。

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A voting trust is valid for not more than 10 years after its effective date unless extended under subsection (c).

除非依据(c)小节的规定延期，投票信托组织的有效期自生效日起不得超过10年。

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