我过去不吸烟，但我现在吸烟。

I didn't use to smoke, but I do now.

youdao

因此，虽然现在吸烟的男性数量比两年前要少，但女性烟民的人数更高了。

Thus while fewer men are smoking today than two years ago, the number of women smokers remains higher.

youdao

研究者发现过去或现在吸烟、饮酒与卵巢癌总发病风险并无关联，但是吸烟可以增加一种罕见疾病的发病率。

The researchers found no significant link between current or past smoking or drinking and overall ovarian cancer risk, though cigarettes seemed to raise the likelihood of one rare form of the disease.

youdao