You could not remove "that" in this sentence. You could replace it with something like "The fact that" Promise: Someone tells someone else that they will definitely do something, or give something. It's a little unclear who is making the promise in this example. I would say the new better equipment promises the traveler that the equipment will help the traveler get away from it all. Prospect: The chance that something will happen in the future. This one is different from promise, because no-one says they will make it happen.

Gong, you started the same thread yesterday and when you were asked to do some work instead of getting a spoon-fed answer, you started this thread. How can we help you, and how can you learn, if your mentality and behaviour are like this? This is the other thread: http://www.italki.com/question/257993

No, you can't remove "that". It introduces a proposition. (The proposition is written incorrectly, by the way.) As for the difference between promise and prospect, I'm sorry but you can simply look it up: http://www.thefreedictionary.com/promise http://www.thefreedictionary.com/prospect