这些研究虽然取得一些成果，但要把木质素作为高分子工业的基本原料之一加以利用尚有较大距离。
Although these studies have taken some positive results, there is still the technology gap to carry through upon using lignin as one of raw material in high polymer industry.
小男孩下定决心要把石头移走，他又推又撬，但每次自以为取得一些成果时，那石头又滚了下来掉回沙箱中。
Determined , the little boy shoved, pushed, and pried, but every time he thought he had made some progress, the rock tipped and then fell back into the sandbox .
然而每次跑步或者你的全部跑步都是以很困难的速度也是不好的（休闲日很重要），有时你应该努力强迫自己取得一些成果。
While it's not good to do every run or your entire run at a hard pace (easy days are important), you should sometimes try to push yourself to get some results.
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