The past Christ-mas, my father took me out to chop down a small fir tree for the house, and I wondered if he was sad now, without me to help him choose the right one.

上一个圣诞节，爸爸带我去砍了一棵小冷杉运回家，我想他现在会不会觉得悲伤，因为我不能帮他挑选合适的树木。

youdao

Macroscopic learners need to see the whole X-Mas tree before they start to hang the ornaments.

FORBES: Totally Addictive Education: The Future of Learning