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until; (used in combination with words like 到 or 至 in constructs of the form 到...到...为止)
as (in the capacity of); to take sth as; to act as; to serve as; to behave as; to become; to be; to do; by (in the passive voice)
to stop; to prohibit; until; only
到目前为止一切顺利。
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