Large classes dilute the quality of education that children receive.

大班上课会降低孩子所受教育的质量。

《牛津词典》

Increasingly, researchers have begun to look at the quality of relationships, rather than at the of contact, between the elderly and their children.

越来越多的研究人员开始关注老人和孩子之间关系的质量，而不是他们之间的接触。

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Increasingly, researchers have begun to look at the quality of relationships, rather than at the frequency of contact, between the elderly and their children.

越来越多的研究人员开始关注老人和孩子之间关系的质量，而不是他们之间联系的频率。

youdao

The court twisted the word "uniform" to prohibit the use of vouchers, even if that meant children wouldn't get that high quality education the constitution promised.

FORBES: Fact and Comment

They want to prevent popular schools from cherrypicking the best-behaved children, thus lowering the quality of other schools' intake.

ECONOMIST: The slippery slope to selection

Researchers note the money is often used to pay for children's schooling and make other investments that improve quality of life.

NPR: Filipino Families Divided by Distance, Economics