重點講解：
1. deduce from 推論；推斷；演繹；
Can we deduce from your silence that you do not approve?
你保持沉默，我們是否可以據此而推斷出你不贊成？
2. find out (尤指特意通過努力)發現，找出，查明；
We can find out how much money is spent on food in any given period.
我們可以查明在特定時間內花在食物上的錢有多少=Jz#mlnGf=ClJ5W!。
3. after all 畢竟；終究；
After all, 15 minutes of exercise is better than nothing.
畢竟，鍛煉15分鐘比不鍛煉好#7F72Lo|tX7t。
4. slow down (使)放慢；(使)減速；
The threat of global warming will eventually force the US to slow down its energy consumption.
全球變暖的威脅將最終迫使美國減緩能源消耗QoF69!rwoGs~@]%FS6oZ。