重点讲解：
1. compel sb. to do sth. 强迫；迫使；使必须；
The law can compel fathers to make regular payments for their children.
这项法律可强制父亲定期支付子女的费用Hw9d@7Puv=&Uzuq~bN。
2. pass on 将…转移给；将…转嫁给；
They pass on their cost of borrowing and add it to their profit margin.
他们将借款成本转嫁，将其算到利润率里面7R4SCBZjS|。
3. around the clock 不分昼夜；日夜不停；
Rescue services have been working around the clock to free stranded motorists.
救援部门一直在日夜不停地工作，解救被困司机l.Kki1&M-z。
4. withdraw from 撤退；撤回；撤离；
He pulled back forces from Mongolia, and he withdrew from Afghanistan.
他从蒙古撤军，并且撤离阿富汗hSeY;oLByY&cPEZUB。