1·To see if the two statistics are linked, Hamer and his colleagues studied 901 nonsmoking kids who were between four and eight years old.
为探索两组统计资料是否有关联，哈默尔和他的同事研究了901个四到八岁不吸烟的儿童。
2·Make sure you take advantage of good-driver, nonsmoking and any other special discounts you may qualify for.
充分利用良好驾驶记录、不吸烟和其他你可能符合的特殊优惠。
3·A puzzling and troubling finding is relatively high rates of lung cancer among nonsmoking women in parts of Pacific Rim countries.
在太平洋沿岸部分国家，不吸烟妇女的发病率相对较高，此发现令人迷惑不安。