Chicago emerged as a global centre for futures and options because of its proximity to America's agricultural belt.
芝加哥由于毗邻美国的农业带而成为全球的期货与期权交易中心。
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Given the multitude of competing options for capital in today's global economy, agricultural prices will need to revisit their all-time highs to ensure production keeps pace with rising global demand.
Faced with increasing grain prices, we have two options. One is to restore the ratio of prices of agricultural products to industrial products, to meet the expectations of urban dwellers.