香港金管局回应美联储议息决定：将继续密切监察市场变化，维持货币及金融稳定

有可能 is used to express possibility or likelihood, similar to “may,” “might,” or “be likely to.” It often appears before a verb phrase to show that something could happen, but is not certain.

存在 means “to exist” or “there exists.” In formal Chinese, it is often used with abstract nouns like 不确定性, 问题, 风险 to indicate that a situation, problem, or uncertainty is present.

对……带来…… is a formal pattern meaning “to bring … to …” or “to have an impact on ….” It is commonly used in news and formal writing to describe effects or consequences on something.

在……下 means “under …” or “within the context of ….” It introduces the condition, system, or background under which something happens. This structure is very common in formal and written Chinese.

在……时 means “when” or “while.” It introduces the time or situation in which an action happens. In formal advice or instructions, it is often followed by 需 or 需要 to express what one should do in that situation.