The National Arbor Day Foundation has challenged many cities to earn its "Tree City USA" flag by planting and protecting more trees.

国家植树节基金会向许多城市发起挑战，要求它们通过种植和保护更多的树木来赢得那面“美国树城”的旗帜。

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It had been a long day and the children were beginning to flag.

这一天真漫长，孩子们都累得打起蔫来。

《牛津词典》

Brown was furious that the crowd outside had refused to honor his white flag of truce earlier in the day.

VOA: special.2009.06.25

As I said the other day if that Confederate flag would just go away, just vanish, just stick it in the basement of museums and no one would ever care about it anymore, maybe, maybe the South's burden would go away.

正如我前段时间说过的,除非南北战争的邦联旗能够消失,被放进博物馆的地下室,再也没有任何人去关注它,那南方历史的阴影可能就真的不复存在了

耶鲁公开课 - 美国内战与重建课程节选

They grew up as Americans and pledge allegiance to our flag, and yet they live every day with the threat of deportation.

VOA: special.2011.02.03

He opened a restaurant and flew the flag every day!

CNN: Why a pundit wrote a novel

It is understood the advice is that there would be equality issues if the flag flew every day over the cenotaph.

BBC: Northern Ireland

To complicate matters the union flag flies every day on the Scottish Parliament building in Edinburgh alongside the Saltire, and the European flag.

BBC: When the union flag can fly at city hall but not at Stormont