Oherwydd hyn, wrth inni ystyried codi rhai o’r cyfyngiadau, mae’n rhaid inni wneud hynny yn ofalus iawn, gan ystyried y data a’r dadansoddiadau gwyddonol gorau.
For that reason, as we consider lifting some of the restrictions, we must do so with great caution and on the basis of the best scientific data and analysis.