No payments were made last week because of a computer error.

　　由于計算機出錯，上周未付任何款項。

　　She found it difficult to make friends because of her natural reserve.

　　她因天性矜持很難交到朋友。

　　Life was harder then because neither of us had a job.

　　那時生活比較艱苦，因為我倆都沒有工作。

　　The game was called off because of bad weather.

　　比賽因天氣惡劣被取消。