It will stop them from doing simple, back-to-back, limited arbitrage to really thinking strategically about how to move grain across long distances from [surplus regions] to [deficit areas].
这会阻止他们做简单连续的，有限套利的交易， 使得他们真正战略性地考虑如何把谷物 从供应过剩的地区通过长距离运输到供应不足的地区。