我已经不再年轻，不再无所不知。
适应旧程序以适应新机器通常意味着适应新机器以使其表现与旧机器相似。
Technology in forestry should enhance nature's processes, not replace them.
The dairy industry must evolve to meet both consumer needs and environmental challenges.
The silence between them was heavy, filled with unspoken words and unresolved emotions.
没有必要把生活看得太严肃。你永远无法活着离开它。
Enthusiasm is common. Endurance is rare.