金山云海南洋浦信息科技公司注册资本增至7亿美元

This pattern is used to show a change in quantity, amount, or level from one value to a higher value. “由” marks the starting point, and “增至” means “increase to.” It is very common in business, finance, and news writing.

This structure is used in business Chinese to show that a company is completely owned by another company or shareholder. “由” introduces the owner, and “全资持股” means holding 100% of the shares.

This pattern means “under the circumstances of” or “in the situation where.” It introduces a background condition for the main result. It is often used in formal spoken or written Chinese.

“预计” means “it is expected/predicted,” and “于” is a formal preposition meaning “in/on/at.” Together they are often used in news reports to indicate an expected time for a future action or event.

This pattern means something is designed or organized around a certain theme. “以” means “using/taking,” and “为主题” means “as the theme.” It is common in descriptions of exhibitions, parks, events, and creative projects.