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Indicates that something does not require additional effort, cost, or resources beyond what is already provided.
购买此产品无需额外安装任何软件。
No additional software installation is required to use this product.
参加活动无需额外缴费。
There is no extra fee to attend the event.
Commonly used in service descriptions, product manuals, or event announcements to emphasize convenience or inclusivity.
Use '无需额外' to highlight convenience in product features. Example: '无需额外下载即可使用' (No need to download extra software to use it). This phrasing is particularly effective in marketing materials targeting non-technical users.
Do not use '无需额外' with phrases that already imply simplicity, such as '简单易用' (easy to use). Instead, pair it with specific actions like '无需额外设置' (no additional setup required).
The phrase combines three Chinese characters: '无需' (wú xū, meaning 'no need') and '额外' (é wài, meaning 'extra'). '无需' is a contraction of '无须' (wú xū, 'not necessary'), while '额外' derives from '额' (é, 'fixed amount') and '外' (wài, 'outside'), originally referring to surplus or additional amounts beyond a standard. Together, they form a modern phrase emphasizing the absence of additional requirements.
This phrase is widely used in formal and semi-formal contexts, such as product descriptions, service agreements, or public notices. It is often paired with verbs like '付费' (pay), '操作' (operate), or '说明' (explain) to clarify that no extra steps or costs are involved. Avoid using it in casual speech where simpler alternatives like '不用加钱' (no need to pay extra) may suffice.