These designations include companies that have engaged in trade with North Korea cumulatively worth hundreds of millions of dollars.

这次的指定中包括一些与朝鲜有交易的公司，累计交易金额达上千万美元。

A bondman could not marry without his master's consent;nor engage in trade; nor refuse work assigned to him.

未经主人同意， 奴仆不得结婚； 不得经商；也不拒绝分配给他的工作。

It's possible that they thought  the city was still too primitive to be worth colonizing, but they actively engaged in trade,   so the city was exposed to Hellenistic culture all the same.

他们可能认为这座城市仍然太原始，不值得殖民，但他们积极从事贸易，所以这座城市仍然受到希腊化文化的影响。