プロの翻訳者、企業、ウェブページから自由に利用できる翻訳レポジトリまで。
we must ensure that it is beneficial to human society and the natural environment or , at least , that it does not have the potential to cause any harm
rhaid inni sicrhau ei fod o fudd i'r gymdeithas ddynol a'r amgylchedd naturiol neu , o leiaf , nad oes ganddo'r posibilrwydd o beri unrhyw niwed