改进题：Gold being quite inconvenient to carry around for spending purposes, inevitably governments issued paper certificates that were pledged to be redeemable in gold metal.

译文：黄金非常不便于携带用于消费，因此政府会发行并保证可以兑换成金属的纸质证明书。

改进题：Gold being quite inconvenient to carry around for spending purposes, inevitably governments issued paper certificates that were pledged to be redeemable in gold metal.

译文：黄金非常不便于携带用于消费，因此政府会发行并保证可以兑换成金属的纸质证明书。

改进的译文：既然因为购物需要而携带黄金很不方便，各国政府就发行作为纸币发行的证书，保证这些证书可以兑现黄金。