0 abbreviation for Teaching English to Speakers of Other Languages; the teaching of English to people whose first language is not English, especially in an English-speaking country -- 对母语为非英语人士的英语教学(Teaching English to Speakers of Other Languages的缩写)
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.
再长的路,一步步也能走完,再短的路,不迈开双脚也无法到达。