联合国贸易和发展组织(UNCTAD)表示,对于大多数国家来说,认证规则和技术标准等非关税措施现在造成的贸易成本比关税还要高。

The UN Trade and Development (UNCTAD) says non-tariff measures such as certification rules and technical standards are now creating bigger trade costs than tariffs for most countries.