经理在会议上简要概述了公司未来的计划。

The manager provided a brief ___sketch of the company's future plans during the meeting.

她向委员会提交了研究计划的初步概要。

She submitted a preliminary ___sketch of her research proposal to the committee.

作者对角色背景的简要描述故意模糊以营造悬念。

The author's ___sketch of the character's background was intentionally vague to build suspense.