1.Classroom, students can freely ask questions, do not stand up, the teacher need not obtain consent.
课堂上，学生可以随意提问，不用起立，也无须征得老师同意。
2.In case of multiple ownership, the applicant should obtain consent from all owners and submit the authorisation document.
如建筑物由多人共同持有，申请人必须得到所有拥有人的同意并提交授权书。
3.Confidentiality and the requirement to obtain consent to waive that confidentiality must be respected.
保守隐私和必须经患者同意才能泄露隐私。
4.Confidentiality and the requirement to obtain consent to waive that confidentiality should be respected.
保密应该得到尊重，取消保密需要获得当事人同意。