重点讲解：
1. come up with 想出，提出(计划、想法等)；
No one has come up with a definitive answer as to why this should be so.
对于为什么应该是这样，还没有人想出最终确定的答案@Uj-!7ug3@RM;B42]xf1。
2. rely on 依赖；依靠；
You can't rely on any figures you get from them.
你不能相信从他们那儿得到的任何数据S78qoJ5RE!。
3. compare to 比较；对比；
Note how smooth the skin of the upper arm is, then compare it to the skin on the elbow.
请注意上臂的皮肤是多么光滑，然后把它和肘部的皮肤比较一下cjPOrcakue@ZuQ5|.R^。
4. appeal to 对…有吸引力；使感兴趣；
On the other hand, the idea appealed to him.
从另一方面来说，这个想法又使他很感兴趣^92WGmxMuAz60run@=Oy。