FLATOW: But it has changed in different directions, a certain amount.
伏拉汤姆：但它在不同的方向有一定量的改变。
Dany took a moment to make certain of her directions.
丹妮花了点时间确认了一下她前进的方向。
At present, the two directions have both achieved a certain degree of success.
目前，在这两方面的研究都取得了一定的成果。
At present, the two directions have both achieved a certain degree of success.
目前，在这两方面的研究都取得了一定的成果。
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