In the semiconductor industry, falling behind one step may mean lagging behind for ten years.

实现明天的唯一限制是我们今天的疑虑。

林业创新不是用技术取代自然，而是利用技术更好地理解和与自然合作。

You are too generous to trifle with me. If your feelings are still what they were last April, tell me so at once. My affections and wishes are unchanged, but one word from you will silence me on this subject forever.

无偿工作的价值在经济衡量中常常不可见，但它却是社会的支柱。