Your voice may not be perfect, professional or even what others may call "on pitch" but don t let that stop you from singing your heart s song.

你的嗓子可能不完美，专业或甚至其他人称为“对音”但不要让这些阻止你唱你心爱的歌曲。

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Don \ 't get cute: save emoticons, abbreviations, wild colors, and fonts for your non-professional emails.

不要装可爱：不要使用表情，缩写，鲜艳的颜色，以及不正规的邮件字体。

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T. that pairs students with professional mentors from the scientific community, the Science Faculty at the University of Alberta, and the Alberta Research Council.

的项目，这个项目把学生和专业导师配对，这些导师来自科学界，阿尔伯塔大学的科学人才阿尔伯塔研究理事会。

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Chris Wojciechowski is really cool." is a professional golfer, but he doesn't play the game with balls and clubs.

VOA: standard.2010.08.03

I don't really have like a professional opinion or a very well-informed opinion.

我的观点并不专业，也不是很成熟。

关于干细胞的研究 - SpeakingMax英语口语达人

In some other scenes, though, viewers could tell they weren't professional actors.

WSJ: A Navy SEAL on an Unusual Mission: An Acting Role in 'Act of Valor'

When I ask friends who aren't professional investors what question they'd most like answered in a FORBES column, they all say pretty much the same thing.

FORBES: Coping with Inflation

The enforcement agency considers the Games an amateur enterprise, even though Olympic basketball players can come from the NBA. "We feel it would open a big can of worms to determine who's professional and who isn't professional, " said Jerry Markling, the NGCB's chief of enforcement.

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