上图中，农工的工作服在Malybai的路边等待着他们的主人。

Above, the work clothes of a migrant worker wait for their owner by the side of the road near Malybai.

youdao

所有在美国农田中劳作的无证农工的故事，都是以这种穿越边境的行动为开端。 边境是他们踏入美国大门的门槛，第一眼看到的萨尔瓦多，则是他们在美国的希望之地。

The border is their threshold and their first glimpse of El Norte, the promised land in the north.

youdao

德克萨斯农工大学交通研究所的研究工程师凯文·鲍克说，虽然智能交通灯对一些城市特别有帮助，但有些城市太拥挤了，只有大幅减少道路上的汽车数量才能有效改变拥堵的局面。

Kevin Balke, a research engineer at the Texas A&M University Transportation Institute, says that while smart lights can be particularly beneficial for some cities, others are so jammed that only a sharp reduction in the number of cars on the road will make a meaningful difference.

youdao

I got interested in that particular question because one of our former PHD students who is now at Texas A&M, asked me to give a lecture on that subject in honor of some anniversary of the universities.

我对这个问题也感兴趣,因为我们学校的一名博士毕业生,现在在德克萨斯农工大学，请我就这个话题演讲,当时是大学的周年纪念日。

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