And we thought we'd probably have to look at several hundred before we got the picture. But as you can see, there's seven out of 20 had a change which was very high.
我们可能还需要再研究几百个 才能有所收获。不过你在这里可以看到， 这20名患者中有7名的基因都有变动。这可是相当高的比例。