But tending machinery was one thing; defining what we were trying to do and why we were doing it, and developing ways to measure how well the job was done - this was something else again.

青竹 云海 晨光 星夜 荷风 晴雪 秋山 听海 沙丘 森语 梅影 花野 听雨 晴窗 暮色 橘光