These unilateral developments differ in their specifics, but they are all designed to tax multinationals on income and revenue that countries believe they should have a right to tax, even if international tax rules do not grant them that right.

　　重点词汇：unilateral, differ, specific, multinational, grant

　　重点短语：design to

　　解析：

　　该句主语为“These unilateral developments”，谓语为“differ in”，宾语为“specifics”，后接由“but”连接的并列句，主语为“they”，谓语为“are designed to”，宾语为“tax multinationals on on income and revenue”，后为由“that”引导的定语从句。

　　翻译：

　　这些单方面事态发展在具体方面有所不同，但它们都是为了向跨国公司征税，各国认为他们应该有权征税，即使国际税收规则不给予这些权利。