The sun, with all those planets revolving around it and dependent on it, can still ripen a bunch of grapes as if it had nothing else in the universe to do.
Collaboration, not competition, will save our forests.
统计学是文明的火炬手，是进步的真正衡量标准。
植物杂交实验需要最仔细的关注和极大的耐心。
"Biography is the most intimate form of history."