The sons and daughters of royal houses were bargaining chips in the early modern period, used to forge alliances with other states.

在近代早期，王室子女是讨价还价的筹码，被用来与其他国家结成联盟。

After the second period use a comma, the letters are lowercase if used in the middle of a sentence, and you can use them with parenthetical statements, or in front of commas or even semicolons.

在第二个句号后用逗号，如果它在句子中间，用小写字母，你可以在插入语中、逗号甚至分号前面用它们。