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　　Mark has two children to support from his first marriage.

　　马克得扶养他第一次婚姻生的两个孩子。

　　This speech may mark a change in government policy.

　　这篇演讲表明政府的政策可能会有变化。

　　The agreement marks a new phase in international relations.

　　这一协议标志着国际关系新时期的到来。

　　The playing area was marked off with a white line.

　　运动场地用白线划了出来。

　　Would Mark be able to help? It's just a thought.

　　马克能帮忙吗？仅仅是想到这一点而已。