但由于效益评价的滞后性及时间的限制，该系统仅完成了部分功能，其它功能有待完成。

But because of the lag characteristic of benefit evaluation and the limited time, only a part of the function of the system has been finished, the modification should be done in future.

youdao

但由于效益评价的滞后性及时间的限制，该系统仅完成了部分功能，其它功能有待完成。

But because of the lag characteristic of benefit evaluation and the limited time, only a part of the function of the system has been finished, the modification should be done in future.

youdao