美国贸易代表贾米森·格里尔周三呼吁G20主要经济体避免在粮食贸易中采取胁迫行动，解决工业产能过剩问题，并重新审视二战后普遍实施的关税体系。
US Trade Representative Jamieson Greer on Wednesday called for G20 major economies to refrain from coercive actions on food trade, tackle industrial overcapacity and re-examine the prevailing post-World War Two tariff system.