英語でニュースを見てみよう！「2020東京五輪採用種目」

The 31st edition of Bizmates Trendy News is news about the 2020 Tokyo Olympics adoption event.

The events to be adopted for the 2020 Tokyo Olympics will be decided at the IOC Session held before the Rio Olympics in August 2016!
Baseball, karate, bowling, tug of war, billiards, and rushing candidacy.

What is the one-piece adoption event?

By the way, what do you say in English that “you will understand over time”?