词典释义：
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PTSD patients generally have a decrease in brain communication between the amygdala and the hippocampus.
普遍来说，创伤后压力症候群患者脑中杏仁核和海马回的连结较差。
《TOFEL（无字幕版）》《托福学习视频》
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But deflation would make people want to hold onto their money, and a decrease in consumer spending would reduce business profits, leading to more unemployment and a further decrease in spending, causing the economy to keep shrinking.
然而，通货紧缩会让人不愿花钱，减少消费支出，造成商业利润下跌，失业率升高，进一步重挫消费，导致经济不断紧缩。
《TED-Ed》《TED教育》
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But deflation would make people want to hold onto their money, and a decrease in consumer spending would reduce business profits, leading to more unemployment and a further decrease in spending, causing the economy to keep shrinking.
然而，通货紧缩会让人不愿花钱，减少消费支出，造成商业利润下跌，失业率升高，进一步重挫消费，导致经济不断紧缩。
《TED-Ed》《TED教育》
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There has been some decrease in military spending this year.
今年的军费开支有所减少。
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There has been a decrease in traffic accidents.
交通事故减少了。
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Last year there was a 20% decrease in his earnings.
去年他的收入减少了20%。
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There could be a slight decrease in his weight but he eats too much.
他的体重可能略有下降，但他还是吃很多。
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In Spain and Portugal there has been a decrease in the number of young people out of work.
在西班牙和葡萄牙，失业青年人数已经有所下降。