Ecological footprint
[生態]生態足跡
?? 詞語組成解析
ecological
[?ek?'l?d?ik?l]
adj. 生態（學）的;
footprint
[['fut?print]]
n. 足跡\\n[計] 印跡
??? 情景例句
I hope so.
希望如此。
A man is not a horse because he was born in a stable.
人并不因為生在馬廄里就成了馬。
Really? Which ones?
真的嗎？哪種工作呢？