它们根本不会飞到任何一张灰色卡片那里去，尽管其中有一张灰色卡片同蓝色卡片的亮度是一模一样的。
They do not go to any of the grey CARDS, in spite of the fact that one of the grey CARDS is of exactly the same brightness as the blue card.
夏天的飞鸟，飞到我的窗前歌唱，又飞去了．秋天的黄叶，它们没有什么可唱，只叹息一声，飞落在那里．。
Stray birds of summer come to my window to sing and fly away. And yellow leaves of autumn , which have no songs, flutter and fall there wish a sigh.
夏天的飞鸟，飞到我的窗前歌唱，又飞去了．秋天的黄叶，它们没有什么可唱，只叹息一声，飞落在那里．。
Stray birds of summer come to my window to sing and fly away. And yellow leaves of autumn , which have no songs, flutter and fall there wish a sigh.
应用推荐