业务流程可以按顺序或并行执行它们的活动，执行期限可以是较短的时间，也可以是跨数天、数周或更长的时间。
Business processes can execute their activities in sequence or in parallel, over a very short period of time, or a much longer duration spanning days, weeks or longer.
不过，按照现代日历，真正的跨季日发生在之后的一周。
With a modern calendar, however, the real cross-quarter day will occur next week.
这门课的设计为跨学期，而且在上学期与下学期之间有为期三到四周的实习。
The course is structured to run across multiple terms, with the internship lasting three to four weeks between the lecture portions of the course.
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