日久光电：2025年净利润1.05亿元，同比增长54.94%

In news and formal written Chinese, verbs like 显示, 为, 构成, and 不存在 are often used to present facts, classifications, or conclusions in a concise way. They commonly link a subject to data, status, or judgment. Learners should recognize these as standard structures in reports and announcements.

同比 means 'compared with the same period last year'. It is very common in business, finance, and statistics. It is usually followed by verbs like 增长 or 减少 plus a number or percentage to describe changes over time.

This pattern expresses giving or allocating something to each unit of a group. 向 introduces the recipient, 每 marks the unit basis ('for every...'), and the verb shows the action. It is common in formal financial language such as dividends, fees, or rates.

于 and 在 can introduce a time point or period in formal writing. When combined with 内, the structure emphasizes that something happened within a specific time range. This is especially frequent in notices, reports, and legal or financial texts.

Formal Chinese often uses adverbs like 均 ('all/both'), 也 ('also'), and 未 ('did not', formal negation) to make statements precise and objective. 未 is especially common in official or written language instead of 没有. Learners should know these markers because they appear frequently in announcements and reports.