Adaptative plant form greatly depends on light environment, which is the degree of crowding by neighbours (competition for light).

可见反枝苋的适应生长型极大地取决于光环境，即邻体间的拥挤程度(光竞争)。

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This reflects the degree to which health spending will literally begin crowding out what we can afford to spend on other vital components of government.

FORBES: Nate Silver Gets It! Health Care Drives Increase in Government Spending