例 Liberty is not easy， but far better to be an unfettered fox， hungry and threatened on its hill，than a well-fed canary， safe and secure in its cage.
consentto sth. 同意某事consent to doing sth. 同意所做的事consent to do sth. 同意去做某事I asked my mother if I could go out, and she consented. 我问我妈妈我可不可以出去
1． collect collection collective select lecture gather gathering connect connection connected link记忆：1.
重难点词汇:defensive adj 存有戒心的，防御的coworker n 同事 occasionally adv 偶尔，有时 practice v 实行，奉行 n惯常做法holistic adj功能整体性的graduate n毕业生conventional adj 传统的alternative adj 可替代的 relief n减轻，缓解 疾病ease v减轻suffering n 疼痛 approach n 方法 indication n 迹象 membership n 会员数advocate v 提倡complexity n复杂性effectiveness n有效性emphasize v 强调。
