You're a tour guide at an art museum. You're telling the story of an artist who lived a long time ago. You want to explain when this person lived. You say:
To put this piece in historical context, it was created during the period when Europeans were just beginning to explore the New World.
Two of your friends have been secretly dating each other. Finally they tell you about it, and you're really surprised because you didn't suspect it. You say:
I was completely oblivious!
academic, adverb, collocations, dating, 日本語サポート 
You're shopping for a new car with your wife. The car saleswoman is trying to convince you to buy a car that's more expensive than you originally planned on. She's a very good salesperson so you've started to change your mind. You say to your wife:
She makes a compelling argument.
academic, debate, point, sales (topic) A person you used to work with is volunteering for an organization. The organization is trying to change the law to allow foreigners to move to your country to start a business. You don't know much about this law, but you think that it might be good if foreigners start businesses in your country. You think that it might help to create new jobs, so you say:
I'm in support of anything that generates new jobs.
