World leaders pledged to resist protectionism and support free trade in order to speed the economic recovery and avoid the mistakes of the 1930s as the centrepiece of the London G20 summit in April.

• 在4月份伦敦G20峰会上，各国领导人曾承诺抵制保护主义，支持自由贸易，以加速推动经济复苏，避免上世纪30年代所犯的错误，他们将此列为峰会的中心议题。