對(duì)自然的研究是永恒的樂趣。
The study of nature is a perpetual joy.
煤炭的未來取決于經(jīng)濟(jì)增長(zhǎng)與環(huán)境責(zé)任的平衡。
跨行業(yè)合作是解決全球能源挑戰(zhàn)的關(guān)鍵。
The most successful forestry companies will be those that put sustainability at the core of every decision.
解析：吃粗糧，喝清水，彎起胳膊當(dāng)枕頭，這其中也有著樂趣。
Economics is the study of how societies use scarce resources to produce valuable goods and services and distribute them among different individuals. If we think about the definitions, we find two key ideas that run through all of economics:
森林的真正價(jià)值在于它平衡生態(tài)需求與人類愿望的能力。
La verdadera poesía es aquella que nace del dolor y de la alegría.