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- Why is vaccination necessary? 为什么要种牛痘?
- Why is influenza vaccination important? 流感防疫注射为何重要?
- Why is it necessary to have top class coaches? 为什么需要有最高水平教练人员?
- Q: Why is it necessary to erase past karma? 问:请问为什么需要消除过去的业障?
- Why is expansion necessary to ascend? 为什么扩展需要提升?
- Why is it that we should be afraid of him? 我们为什么要怕他呢？
- Why is it that I always land up cleaning the bath? 为什麽总是该我来洗刷浴缸?
- Why is it that he rarely mentions his childhood? 他为什么很少提到他的儿童时代呢？
- Q: Master, why is it necessary to be guided through meditation? 问:师父,请问为什么打坐时需要有指导?
- Why is it considered necessary to nail down the lid of a coffin? 为什么非要用钉子把棺材的盖子钉住?
- Why is it necessary to try on shoes before buying them? 买鞋子之前为何必须试穿？
- Why is high purity polycrystalline silicon necessary? 为啥多晶硅需要高纯度？
- If the pills made him dizzy why is he buying more? 如果那药使他头晕，那他为什么还要再买?
- Why is Mr. Clinton so tired? Do you have any idea? 为什么克林顿先生这么疲倦?你知道原因吗?
- Why is Sue down as belonging to the first group? 为什么把苏记到第一组的名下?
- Why is he in such a lather to get money? 他为什么这样急躁，非弄到钱不可?
- Why is the door shut? Why do birds sing? 门为什么关了?鸟为什么唱歌?
- Why is the chimney smoking so much? 为什么这烟筒冒这么多烟?
- Why is the boy often chewed out by his stepmother? 为什么这小男孩经常挨他继母骂?
- Why is he always trying to vilify my reputation? 为什么他总是想方设法毁坏我的名誉?
