减少事情发生的可能性 reduce the likelihood
很有可能这些波动，二氧化硫的大量增加和减少，一次又一次地发生。
It is quite possible that these fluctuations, the huge increase and decrease of sulfur dioxide, happening again and again.
它的发生是因为血管中的血流量减少了。
It occurs because blood flow gets reduced in that blood vessel.
他们的结论是，在全州范围内实行白天的交通规则将会减少类似事故的发生。
They concluded that applying the daytime rule statewide would lead to a similar reduction in accidents.
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