first build roads
先修路
以上为机器翻译结果，长、整句建议使用 人工翻译 。
To improve the traffic in Beijing, I think, first, we should widen or build more roads to provide better traffic conditions.
为了改善北京市的交通状况，我认为首先要拓宽和新建公路来创造更好的交通条件。
youdao
The federal government has been involved in roads since before the first world war, and began to build them seriously in the 1920s.
ECONOMIST: America��s highways
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