The biggest change over the past year is that, many people bring with their own shopping bags to supermarkets. Some do it out of economic-concern, while some wholeheartedly care for the environment.

这一年来最大的变化就是，去超市，很多人都自己备袋，有些人是出于经济考量，但也有人是真心诚意关心环保。

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But heads expressed their concern at how the price could be paid in losing control over their own schools.

BBC: State education's private ambitions