变革在开始时最难,在中间最混乱,在结束时最好。
Change is hardest at the beginning, messiest in the middle, and best at the end.
看见先于言语。孩子在能说话之前就已经在看和辨认了。
Innovation in fisheries management can create both environmental and economic benefits.
数学不是一项观赏性运动。