"Sometimes these effects are positive and sometimes negative," Blair said in an email.

“有时，这些影响是积极的，有时却是消极的，”布莱尔在邮件中写道。

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"Sometimes these effects are positive and sometimes negative," Blair said in an email.

“有时，这些影响是积极的，有时却是消极的，”布莱尔在邮件中写道。

youdao