The returns to education are higher than most people realize.
真相很少是純粹的，也絕不簡(jiǎn)單。
當(dāng)你有局限時(shí)，你必須更有創(chuàng)造力。
"Sometimes the hardest thing and the right thing are the same."
The balance between economy and ecology is the core of modern forestry.
唯一無(wú)法得到幫助的人是那些責(zé)備他人的人。