求高人翻译However,the four variablesobey the process of I(1), for

求高人翻译
However,the four variablesobey the process of I(1), for their lag 1 differencing series can reject the unit root hypothesis at 5% significance level.The variables all fill the qualification of co-integration testing that the time series used mustpass the unit root testing with same lag.The following is the result of the test.