Recently, many supermarkets have self checkouts so you can avoid queuing.
A lot of supermarkets now have self checkouts so you don't have to wait in line for long.
「最近スーパーで自動払いが導入された、並ばずに済む」＝ Recently, many supermarkets have self checkouts so you can avoid queuing. / A lot of supermarkets now have self checkouts so you don't have to wait in line for long.
ボキャブラリー
recently ＝ 最近
many, a lot of ＝ 沢山の、多くの
self checkout ＝ 自動払い
avoid ＝ 避ける
queue, wait in line＝ 並ぶ
don't have to ＝ しなくていい
イギリス 
