But the Windows still cannot be left open all day and all nigh long, since it is still spring, and still cold.

因为只是春天，还残留着残冷，窗子也不能整天整夜不关的。

youdao

But the Windows still cannot be left open all day and all nigh long, since it is still spring, and still cold.

因为只是春天，还残留着残冷，窗子也不能整天整夜不关的。

youdao