Paragraph opener: Typographic device marking the start of a paragraph which needs emphasizing.

起段符号：排字方面的图案，标志着重要段落的起点。

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First, acquire some sort of marking device: pen, pencil, charcoal or gouging stick.

FORBES: The How-To-Do Anything Guide

This daring but effective device has the effect of marking her off and making all she says and does an internal monologue, though recorded in the third person.

ECONOMIST: Lost in Warsaw