By Balazs Koranyi and Francesco Canepa FRANKFURT (Reuters) - The European Central Bank left interest rates unchanged on Thursday as expected and maintained an upbeat view on growth and inflation, dampening expectations for any further cut in borrowing costs. The ECB halved its key rate in the year to June but has been on hold at 2% since, arguing that the economy of the 20-country euro zone is in a "good place" even if all policy options, including additional easing, could not be ruled out. Recent data ...