阅读未见过的书,如结识好朋友,情意和洽;重读已看过的书,如老朋友相晤,叙旧联谊。
化工行业有责任在减少环境影响方面发挥带头作用。
宣传之于民主,正如棍棒之于极权国家。
The most important quality in a scientist is persistence.
Sustainability isn't a trend—it's a responsibility we owe to future generations.