衡量方法：提交报告的具体日期（如三月31日）。

Measurement: The specific date (e.g., March 31) that the report is first mailed out (time).

youdao

衡量方法：提交报告的具体日期（如三月31日）。

Measurement: The specific date (e.g., March 31) that the report is first mailed out (time).

youdao