You know children are growing up when they start asking questions that have answers.
当孩子们开始问一些有答案的问题时,他们已经长大了。
-- John J. Plomp 约翰·J·普洛普
You know children are growing up when they start asking questions that have answers.
当孩子们开始问一些有答案的问题时,他们已经长大了。
-- John J. Plomp 约翰·J·普洛普