Each year red-winged blackbirds stop in a certain region of Midland Province on their spring and fall migration.

每年春天和秋天，红翼黑鹂都会在米德兰省的某个地区停留。

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So just very briefly, the courses-- each student takes four courses in the fall, four courses in the spring and then the capstone course.

简介一下课程-,每位学生秋季上四门课，春季上四门课，然后是总结性课程。

哈佛公开课 - 幸福课课程节选

The government, which faces an election in June, had been predicting a strong recovery of the economy in the spring following a sharp fall in output during the last six months.

BBC: Japan's economic puzzle

During Fashion Weeks in New York, Paris and Milan (held in spring and fall), a model can be sent on as many as a dozen go-sees a day for six weeks.

FORBES: Magazine Article

He played soccer in the fall and spring, and basketball in the winter.

WSJ: Time With Mom and Dad: Making It Fair