三月份上市第一天的回报平均上升11.7%，而一月份和二月份的平均幅度为- 1.5%。

On average, first day returns improved to 11.7% versus a -1.5% loss in January and February.

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他们说春天的第一天常常是在三月1号前后。

first day of spring is usually on or around March 1st.

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他们说春天的第一天常常是在三月1号前后。

first day of spring is usually on or around March 1st.

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