重點講解：
1. attribute to 把…歸因于；把…歸咎于；
The coach attributed the team's victory to training and practice.
教練把球隊的勝利歸功于平時的訓練。
2. be immune to (對疾病)免疫的,有免疫力的；
He is immune to chickenpox, he had it as a child.
他對水痘免疫，他小時候就得過了。
3. scale down 縮小；縮減；減弱；
After receiving bad news in the year-end financial report, we were forced to scale down next year's budget.
在得知年終財務報告的壞消息后，我們被迫縮減下一年的預算。
4. in attendance 到（某地）；出席（某活動）；
Many Metropolitan board members with ties to Wall Street or major American companies were in attendance.
許多與華爾街或美國大公司有關(guān)系的大都會藝術(shù)博物館董事會成員出席了這次晚宴。