We don't often have time to talk.

　　我們常常沒有時間談話。

　　People are often afraid of things they don't understand.

　　人往往對自己不懂的東西感到恐懼。

　　I often think about my friends back home.

　　我常常想起老家的朋友。

　　People often share their political views with their parents.

　　人常常跟自己的父母政治觀點一致。

　　Stress is often a factor in the development of long-term sickness.

　　心理壓力常常是形成長期病的一個因素。