Consent includes express consent and implied consent.

同意包括明示的同意及默示的同意。

youdao

Mothers were informed of the study's goals before giving their express consent.

事先也告知母亲们此项研究的目的，并取得她们的同意。

youdao

Where there is no express consent, consent can be inferred from relevant conduct, or from the business or other relationship the sender has with the recipient.

如果没有明示同意，收件人同意之意思表示可以通过其相关行为或发件、收件人之间的关系中推测出来。

youdao

Express consent for her child to take part in a trial was never gained, she said.

BBC: 'I didn't know it was a trial'

First, it is ethically-questionable whether users with public streams should be retweeting private tweets without express consent.

FORBES: Your tweets just became part of the historical record

For example, express consent from the individual must be obtained in connection with the transfer of personal information to any other organization.

FORBES: China: Seeking Balance In Regulating Data Privacy