1、The prime minister is titularly the head of the government, but the real power lies with the president.
首相在名义上是政府的领导，但实际权力掌握在总统手中。

2、The company appointed him as the CEO, but he is titularly in charge and doesn't actually make any decisions.
公司任命他为首席执行官，但实际上他只是名义上负责，没有实际做出任何决策。