重點講解：
1. suffer from
（因疾病或處于其他不利境地而）受苦，受難，受折磨；
eg. Many people suffer from a great dread of heights.
許多人非常畏高;3#pKzxnjPrLy.P5Nbi。
eg. Those who suffer from narcissism become self-absorbed or chronic show-offs.
被自戀癥折磨的人會變得只專注于自己的事情，或者不斷地自我炫耀Sh__*[l;Gv&EyQ%,7i。
2. prevent sb. from doing sth.
阻止；制止；阻礙；
eg. They did not prevent him from expressing his views.
他們沒有阻止他發表自己的觀點p(N[mMGrgSJ;。
eg. A runner exercises before a race to prevent his muscles from tensing up.
賽跑運動員在比賽前要活動活動，以放松肌肉~)jOZFLm[y!o5。
3. take the lead
引導；帶頭；做榜樣；
eg. He took the lead in breaking down superstitions.
他帶頭破除迷信ma%IAScr=Z(m=G&_。
eg. t may be up to businesses to take the lead.
也許企業界應在其中發揮領導作用N@7hIL#^ChM~mf4w.M*。