ONE PHRASE, IN CONTEXT
i can't say
我说不准;我无法确定

GET TO KNOW THE MEANING
同一个表达,不同的语境。
01我说不准;我无法确定
IN A SENTENCE
I can't say for sure until I check the schedule on the station's website.
我得先查一下车站网站上的时刻表,才能确定。
02我说不准;我不能确定
IN A SENTENCE
I can't say for sure whether the bakery will be open on the holiday.
我不能确定面包店假日那天会不会营业。
