All applications and changes to this Contract shall be effective only if they are made in writing的翻译：All applications and changes to this Contract shall be effective only if they are made in writing 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

只有当他们以书面形式提出，所有应用程序和本合同的变更，应有效

All applications and changes to this Contract shall be effective only if they are made in writing

正在翻译，请等待...

All applications and changes to this Contract shall be effective only if they are made in writing