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This pattern uses 在 to mark the scope, field, or aspect where something happens. 领域 is often used for broad areas like AI or education, while 项目上 is used for specific projects. It helps learners say where progress, investment, or activity is focused.

已经 and 了 often work together to show that an action or development has already happened by now. It emphasizes completion or a new situation.

高达 is used before a number to emphasize that the amount reaches a surprisingly high level. It is common in news, business, and formal writing.

均 means 'all' and is more formal than 都. The pattern 均为…… is often used in reports or official writing to state that all items share the same status or category.

引发 is a formal verb meaning 'to trigger' or 'to cause,' often followed by a reaction, discussion, or problem. It is common in media and written Chinese.