Thank you sincerely for correcting my spelling my mistakes，my dear moderator. But I would be more grateful if you could even try helping (please notice it's “helping” not “to help”) me with the question I raised above .So, my deepest gratitude is extended to Martin. Anyway, your help, along with that of sandwich, which is probably no less significant, should be duly acknowledged here.
Ok, I admit I'm much too sloppy in my writing. I hereby announce me and my space mistakes parting forever. You all will be witnesses of that partition (or parting? not sure). Thank you all, sincerely.