重点讲解：
1. deduce from 推论；推断；演绎；
Can we deduce from your silence that you do not approve?
你保持沉默，我们是否可以据此而推断出你不赞成？
2. find out (尤指特意通过努力)发现，找出，查明；
We can find out how much money is spent on food in any given period.
我们可以查明在特定时间内花在食物上的钱有多少=Jz#mlnGf=ClJ5W!。
3. after all 毕竟；终究；
After all, 15 minutes of exercise is better than nothing.
毕竟，锻炼15分钟比不锻炼好#7F72Lo|tX7t。
4. slow down (使)放慢；(使)减速；
The threat of global warming will eventually force the US to slow down its energy consumption.
全球变暖的威胁将最终迫使美国减缓能源消耗QoF69!rwoGs~@]%FS6oZ。