对于治疗的目的，我们想改变某些破损的细胞，而又不想损伤正常的细胞。
For therapeutic purposes, you want to affect certain cells, but you want to leave normal cells intact.
一种由深圳赛百诺基因技术公司――一家中国公司，所使用的方法就是用正常的肿瘤抑制基因置换破损的肿瘤抑制基因。
One approach, used by Shenzhen SiBiono GeneTech, a Chinese company, is to replace broken tumour-suppressor genes with the correct version.
沙尘暴天气经常影响交通安全，造成飞机不能正常起飞或降落，使汽车、火车车厢玻璃破损、停运或脱轨。
Sandstorm weather often affect traffic safety, causing the plane could not normal take off or land, make the car, train carriages derailed lines or damaged, glass.
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