每個(gè)人都會承認(rèn)，我們的思維、情感和想象力產(chǎn)生的觀念，都是在心靈中存在的。
No matter how complex or refined, all behavior is to be explained in terms of stimulus and response.
林業(yè)實(shí)踐的創(chuàng)新是平衡經(jīng)濟(jì)增長和環(huán)境保護(hù)的關(guān)鍵。
Sustainability is no longer an option—it's a necessity for any business that wants to thrive in the future.