不幸的是，现有的证据不能证明抽烟和癌症之间有直接的联系。
Unfortunately, available evidence fails to establish any direct link between smoking and cancer.
不幸的是，现有的证据不能证明抽烟和癌症之间有直接的联系。
Fortunately, a mountain of reliable evidence proves the direct link between.
不幸的是，现有的证据不能证明抽烟和癌症之间有直接的联系。
Fortunately, a mountain of reliable evidence proves the direct link between.
应用推荐