结论：甲醛空气污染可以导致盆栽桂花叶片出现急性损害，并表现出明显的效应。
Objective:To observe the acute harm of formaldehyde pollution in air to the polluted Osmanthus fragrans leaves.
数值效应是明显的：退化地区的鲑鱼数量比原始地区少；然而，栖息地的丧失也有可能减少遗传多样性。
The numerical effect is obvious: there are fewer salmon in degraded regions than in pristine ones; however, habitat loss also has the potential to reduce genetic diversity.
大脑科学家称这种效应为“不对称优势”，指人们倾向选择一个与明显更差的选项程度较为接近的一个选项。
Brain scientists call this effect "asymmetric dominance" and it means that people gravitate toward the choice nearest a clearly inferior option.
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