但分析师指出，此后，ARJ21项目的进展落后于计划。

Since then, however, analysts have noted that the ARJ21 project has been running behind schedule.

youdao

但分析师指出，此后，ARJ21项目的进展落后于计划。

Since then, however, analysts have noted that the ARJ21 project has been running behind schedule.

youdao