2损害：Damage, hurt, injure, harm, impair, undermine, jeopardize

3给与：Give, offer, render, impart, provide,supply, afford

4培养：：Develop, cultivate, foster

5优势：Advantage, merit, virtue, benefit, upside, strength

6缺陷：Disadvantage, demerit, drawback, downside, weakness

7使迷惑：Puzzle, bewilder, perplex, baffle

8重要的：Key, crucial, critical, important, significant, vital, substantial, indispensable, imperative

9认为：Think, believe, insist, maintain, assert, conclude, deem, hold, argue, be convinced, be firmly convinced, be fully convinced

10保护：Protect, conserve, preserve