种树的最佳时间是二十年前,其次是现在。
The best time to plant a tree was twenty years ago. The second best time is now.
利用不同的感官刺激,有条不紊地将注意力引导到儿童的活动甽,即便是嗅觉也可以用理解的方式来训练,从而成为他们探索环境的器官。
In the labyrinth of Beirut, we find both our past and our future.