in my opinion， the two sentences is same. in here "就“ just emphasizing. but "就” It's so complex, even the Chinese. following for you FYI 1 associated word/adverb; 一……就……=as soon as. He got married as soon as he left university.他一离开大学就结婚了 一……就……directly I came directly I got your message. 我一接到你的信就赶来了。 一……就……immediately I came immediately I heard the news.我一听到这个消息，马上就来了。 一……就……Once Once he arrives we can start. 他一到我们就可以动身 2 verb：工作上高不成, 低不就。unfit for a higher post but unwilling to take a lower one in his work.； 3就要=will and going to I will be（going to） 11 years old. 我就要11岁了 4even if=即使（就算） Even if he does it understandable, but.. 就算他做的这件事情有可原，但是…。 5,如果（就算）=if That way, if we break up, I can use it again.那样的话，就算我们分手了之后，我还能再用它。