This book is rich in content and worth reading.

这本书内容丰盛，值得一读。

The packaging of this product has changed, but the content is still a change in form but not in content.

这个产品的包装变了，但内容还是换汤不换药。

Their service has a new name, but it's still a change in form but not in content.

他们的服务虽然改了名字，但还是换汤不换药。

This reform is just a change in form but not in content, with no substantial changes.

这次的改革只是换汤不换药，并没有实质性的改变。

These improvements are superficial; they are just a change in form but not in content.

这些改进措施只是表面上的，实际上是换汤不换药。

The new policy looks innovative, but it's actually just a change in form but not in content.

新的政策看起来很新颖，但实际上只是换汤不换药。

This book is rich in content, furthermore, its illustrations are very exquisite.

这本书内容丰富，更有甚者，它的插图也非常精美。

The man and wife lived in content .

那个人与妻子过着满足的生活。

Fe, Mn and Sr are higher in content.

实验结果表明：其中铁、锶、锰的含量较高。

They are rich in content and varied in style.

它们内容丰富,风格多样.