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根据 is used to introduce the basis, source, or rule for what is said next. It often means “according to,” “based on,” or “in line with.” In news and formal writing, it is very common for citing agreements, data, laws, or reports.

通过 indicates the method, channel, or means used to achieve something. It is often translated as “through” or “by means of.” In formal contexts, it frequently appears before tools, institutions, platforms, or processes.

以 in formal Chinese often introduces a standard, rate, method, or means. In business and financial writing, it is commonly used to show price or unit basis, such as “at X per share” or “with X as the standard.”

较 is a formal written pattern meaning “compared with” or “relative to.” It is often used in finance, reports, and news to compare prices, percentages, or levels. It commonly appears with numbers and words like 溢价、增长、下降.

在……中 is used to place an action or situation within a certain scope, group, location, or context. It often means “in,” “among,” or “within.” This pattern is very useful for describing where something happens or among which group it applies.