这项控烟政策并非立刻见效,但三年后的数据变化相当明显。Zhè xiàng kòngyān zhèngcè bìngfēi lìkè jiànxiào, dàn sān nián hòu de shùjù biànhuà xiāngdāng míngxiǎn.This tobacco-control policy did not take effect immediately, but the data changed quite clearly after three years.
这种药很快就见效了,他的烧退了。Zhè zhǒng yào hěn kuài jiù jiànxiào le, tā de shāo tuì le.This medicine worked quickly, and his fever went down.
学语言要慢慢来,不可能马上见效。Xué yǔyán yào mànmàn lái, bù kěnéng mǎshàng jiànxiào.Learning a language takes time; it can't show results right away.