重點講解：
1. cling to
緊緊抓住；抱緊；
eg. The cat tried to cling to the edge by its claws.
貓用爪子拼命抓住那邊緣。
eg. Survivor cling to a raft.
幸存者們緊緊抓住救生伐。
2. set out
動身；出發；
eg. Let us set out when the sun has risen.
太陽一出來，我們就動身。
eg. So they got a crippled pick and a shovel, and set out on their three - mile tramp.
于是，他們就找到一把不大好使的鎬和一把鐵鍬，踏上了三英里的路程。
3. separate from
分開；分離；
eg. They have been kept separate from my sponsors, my commercial endorsements.
他們一直與我的贊助商、我的商業代言等保持距離。
eg. Benefits administration is and should be separate from payroll.
福利是并且應該是同薪酬分開管理的。