She refuses to allow her family to help her as a matter of principle.

她不要家人帮忙，对她来说这是个原则问题。

《牛津词典》

"I am against quotas for women or men as a matter of principle," says Sverre Munck, head of international operations at a media firm.

“原则上，我反对对女性或男性实行性别配额。”一家媒体公司的国际业务主管斯弗尔·蒙克表示。

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UNICEF chief of communications for Africa services, Shantha Bloemen, said they had to work with the group as a matter of principle.

联合国儿童基金会非洲部联络处负责人布卢门说，他们不得不与这个激进组织打交道。

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Republicans say that manual counts are inherently subjective and inaccurate and are against them as a matter of principle.

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And in real life, many middle-class voters feel the same way as a matter of principle.

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Or Swartz, an unabashed idealist committed to Internet freedom, may have suicided as a matter of principle.

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