一叶知秋yīyè-zhīqiū[The fall of a single leaf ushers in the autumn;One falling leaf is indication of autumn] 看见一片落叶,就知道秋天将临.比喻发现一点预兆就知道事物将来的发展趋向一一yīyī[one by o...
一叶知秋yīyè-zhīqiū[The fall of a single leaf ushers in the autumn;One falling leaf is indication of autumn] 看见一片落叶,就知道秋天将临.比喻发现一点预兆就知道事物将来的发展趋向一一yīyī[one by o...