Attempts have been made to impose express obligations of confidentiality by contract.

人们试图透过订定合约来施加明示的保密责任。

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While the constitution gives Mr. Buell the right to express his opinions, as a teacher, he also has obligations to his students, the public and the education profession as a whole.

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Most shocking, however, given its legal obligations, was Penn State's complete dereliction in its responsibilities under express laws, including those mandating reporting and protecting those who bring violations to light.

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