I saw a sentence.
"I want to lose weight, so this week I'm not eating lunch."
"I want to lose weight, so this week I'm not eating lunch."
I know what that mean. but If I want to say it, this might be
"I want to lose weight, So this week I'm not going to eat lunch"
"I want to lose weight, So this week I'm not going to eat lunch"
I don't get what's difference. Could you let me know what's difference?