but futile struggle to explain
...igned with contours that should be the same height of the contour 解释只是徒劳的的抗争 » But futile struggle to explain 她告诉我要找到学习方法。 » Her tells me to find learning methods.
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but futile struggle to explain
但徒劳无功的解释
以上为机器翻译结果，长、整句建议使用 人工翻译 。