you know it seems that all of us ,the non_native speakers have the same problems.But you know when we want,we can!!!!for nothing is imposible you've just to keep on working and most of all reading!!!!!!!!!!!!!!!!!
It is the tenses that cause the difference. First sentence uses the present continuous tense and the second sentence uses simple present tense. Very simply, the sentence using simple present tense is trying to state a fact. As for present continuous tense, it means something is happening now. For instance if your salary now is $1000 per month, both sentences can be used. Sometimes, whe