There are many good reasons to learn English, one of them is because it has become a global language, the lingua franca. What makes English work as a global language is not just the questionable influence of the British Empire - which has a lot to answer for - but its flexibility, something that has developed due to it’s history.
今週の #WOTW は 'plan’ です。’Plan’ is noun and a verb. It is also used in some interesting phrases. If you have no other plans, maybe you could give this a read?