A plain weave or twill was common, since professional weavers with skills to produce better fabrics were rare.

阿平纹，斜纹，因为是很普遍的技能，以更好的面料的专业生产编织，十分罕见。

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He had been a professional since March 1985.

他自1985年3月以来一直是一名职业人士。

《柯林斯英汉双解大词典》

The price of professional childcare has been rising since the 1980s.

自上世纪80年代以来，专业育儿的费用一直在上涨。

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The professional or amateur status of an inventor is relevant, since professional inventors earn ordinary income.

FORBES: Move up http://i.forbesimg.com t Move down

Hopkins has only been beaten once since turning professional in 1988 and that was by Roy Jones more than 10 years ago.

BBC: SPORT | Boxing | Superior Hopkins downs Joppy

Earl, 28, had been seen as a potential opponent for Khan but Katsidis extended his unbeaten record to 22 fights since turning professional in 2001.

BBC: Khan put Medjadi down inside the first minute