channel widening

例句：

1. 1. The construction of the new highway has significantly widened the channel for traffic.
   新高速公路的建设显著拓宽了交通通道。
2. 2.The company is exploring ways to expand its channel in emerging markets.
   该公司正在探索在新兴市场扩大渠道的方法。
3. 3. The government's decision to increase subsidies will likely widen the gap between rich and poor.
   政府决定增加补贴，很可能会加大贫富差距。