两种传播方式，即主流方式和口头方式。

Two ways of its spreading are mainstream and oral.

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用户语音识别，以口头方式，引导用户通过该步骤的一项任务。

User speech recognition to verbally guide users through the steps of a task.

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明示性同意，顾名思义，需要收件人实际确认，确认方式可以是书面，也可以电子或口头方式。

Express consent requires an actual communication by the recipient by written, electronic or verbal means to positively indicate that the recipient wishes to receive the messages.

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