The child is not a passive recipient of knowledge but an active participant in the learning process.
理论地理学是科学的女王,因为它独力处理事物在空间中的排列。
经营婚姻的最佳时间是在你拥有婚姻之前。
"Writing is a matter of patience and stubbornness, not talent."
Short-term gains in forestry often lead to long-term losses for the planet.