“既然”造句

既然对你起作用，这就是个明智的决定。
This was a good decision inasmuch as it worked for you.

她既然主动提出帮助照看孩子，我也就同意了。
Since she'd offered to babysit, I took her up on it.

既然出售香烟是合法的，那么禁止做香烟广告就是违宪的。
Banning cigarette advertising would be unconstitutional, since selling cigarettes is legal.

• #既然