Starting from the concept, we must ensure the extensive sharing as well as the offer of collective action in order to maintain the public welfare feature of compulsory education.

从此一概念出发，要保持我国义务教育的公益性就必须保证义务教育的广泛分享并且保证义务教育的“集体行动”提供。

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Last year the government changed a key feature of Hips, by deciding that home condition reports should not be a compulsory feature.

BBC: Even the smallest property now needs a Hip

Seat belts were an optional-use feature in cars starting in 1949, and were made compulsory in the US in 1984.

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