 These evaluation metricsare used to determine a stable system. Only robust systems in all evaluation metrics are suitable for use in real applications.
<clarity>  These evaluation metricsare used to determine a stable system. Only robust systems in all evaluation metrics are suitable for use in real applications.
 It is difficult to select the best system using only these automatic metrics, but it is possible to select stable systems. We consider only robust systems in all evaluation metrics are suitable for use in real applications.