The standard set phrase 提上议事日程 ('to put onto the agenda') is everywhere in Chinese policy and corporate speech - it means a topic has shifted from 'something we might address' to 'something we will address'. Conversely 还没有提上议事日程 = 'not yet on the agenda', i.e. shelved.
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Formal - meetings, organizations, government work reports. For a casual to-do list use 日程 alone or 安排 (schedule).
