在三年内完成，以确保这一目标，力争在两年内完成。

Completed in three years to ensure that this target, and strive to be completed within two years.

youdao

在三年内完成，以确保这一目标，力争在两年内完成。

Completed in three years to ensure that this target, and strive to be completed within two years.

youdao