画像の英文を要約したので英語に詳しい方 添削お願いします。 To address this challenge, other Nordic countries have implemented a social welfare system. Proponents of this project state that this project encourages employees to lead a happy life. In addition, Companies maintained their productivity because employees were absent from work less often. Nevertheless,opponents argue that switching to a new system has an anxiety since it is hard to attain service workers such as medical care and emergency service. 画像の英文を要約したので添削して下さい。