他们有机会接触到城市商人、市场和贸易路线。

They had access to urban merchants, markets, and trade routes.

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这是指，六个月左右的时间，一直接触一个新东西，工作，住处，学校，汽车，或者上班路线，那么痛苦的灾祸发生的可能性会升高。

That is, for six months or so following a new job, a new residence, a new school, a new automobile, or a new route to work, the risk of traumatic mishaps goes up.

youdao

这个圆锥体沿着飞行路线在地面上扫过，底部与地面接触部分产生连续的轰隆声。

As the cone spreads across the landscape along the flight path, they create a continuous sonic boom along the full width of the cone's base.

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