重点讲解：
1. set out 开始；着手；
例句：He set out in search of ideas for starting a company of his own.
他开始寻求思路创办自己的公司G*f^j4lQCABiFm。
2. heat up 变热；
例句：If it is too hot or too cold, we burn calories to cool down or heat up.
如果天气太热或太冷，体内热量的燃烧会使人体降温或升温4%7cy0I[e2。
3. add in 加入；把…算在内；
例句：Add in anticipated growth from price increases and 2% to 3% unit volume increases and you can expect to earn 9% to 10%, Stephen argues.
史蒂芬指出，加上预期中的股价上涨和2%-3%的销量增长，回报率应该可以达到9%-10%y7oSA%FPPZT]vcr*u*a。
4. slow down (使)放慢；(使)减速；
例句：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[-I4sRMj^O5jUt]。