Time for another AWS TOEIC problem. Amazon Lightsail allows developers to focus ________ development without worrying about the underlying infrastructure. A) to B) by C) on D) in What does the sentence mean? Let's take a look. Amazon Lightsail allows developers to focus ________ development → Amazon Lightsailを使用すると、開発者は開発に集中できます without worrying about the underlying infrastructure. → 基盤となるインフラストラクチャについて心配することなく The problem is which combination means 集中する? A) focus + to B) focus + by C) focus + on D) focus + in The correct combination is focus + on, so the answer is C) on. 〇 Amazon Lightsail allows developers to focus on development without worrying about the underlying infrastructure. Amazon Lightsailを使用すると、開発者は基盤となるインフラストラクチャ について心配することなく、開発に集中できます。 Did you get it? Today's point is: focus on ○○ = ○○に集中する Have a great Friday night and a great long weekend!