And, yet, think about the qualities of sound that are so different between "across the lines of straighter darker trees" and "I like to think some boy's been swinging them."

想想这音律的特别之处,这两句有很大的区别,“穿过排列成行的挺直黑黑的树“,我总以为有个孩子把白杨“荡“弯了“

耶鲁公开课 - 现代诗歌课程节选