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✨ ベストアンサー ✨

文書の構成がintroduction, body, conclusionに分かれている点はとてもいいです!

ただ、少し問題文を勘違いされているかと思います。
問題文は、「Public Safetyを向上させるためにもっと多くのことができる」なので、現状のPublic Safetyを向上させるためのアイデアが求められていると思います。

以下は私が書いてみたものです。
Although crime rate in Japan is way lower compared to many other countries, I agree that we have many ways to improve public safety more. Two reasons focused on technology are stated below.
Firstly, there is a significant needs for extensive deployment of CCTV cameras. Currently, many trains in Japan does not have CCTV surveillance. Installing more CCTVs could be a help for reducing criminals on train such as train groping.
Secondly, advancements in automotives are crucial. In Japan, sometimes people confuse accelerator with the brake and cause car accident. Moreover, sometimes elderly people mistakingly enter a wrong direction on highway, which may cause severe car accidents. Therefore, error-prevention system is needed to reduce the number of car accidents.
For these reasons, there are lots of ways to improve public safety even only focusing on technology.

また、字数稼ぎをするためには文と文の接続フレーズを使ったり上記の文のように初めのIntroductionを盛り盛りに書く作戦があります。以下に接続フレーズに関するいい記事を貼ります!
https://www.eliteediting.com.au/50-linking-words-to-use-in-academic-writing/

nagi

ありがとうございます!

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