呈下降趋势英语

The population size have been presenting to a downward trend in the last more than 40 years.祝楼主愉快 ^_^

The need for the urban labor is showing a declining trend at present.

人民币汇率是对应一揽子货币体现出来的。你看到的欧元兑美元下跌，主要是因为欧元兑换美元下跌。或者说，美元加息预期越来越明确，加上欧元通缩预期明显，导致欧元兑美元下跌。反应到欧元兑人民币也下跌了。

The number of population has showed downtrend over the past 40 years.