解析：吃粗粮，喝清水，弯起胳膊当枕头，这其中也有着乐趣。
No one likes being alone. We just don't want to make friends reluctantly. If we did that, we'd probably just be disappointed.
"A good picture book is like a silent movie; it tells a story without words."
The key to success is to focus on goals, not obstacles.
The mining industry must evolve to meet the demands of sustainability without compromising on efficiency.