我相信用英文怎么说书面
时间：
"In writing" 或 "in written form" 是表示书面的英语短语。
来源：这个短语源于英语中 write 的动词形式。
例句：
Please submit your proposal in writing. (请以书面形式提交您的建议书。)
The instructions are clear in written form, but they're difficult to understand when spoken. (说明书在书面形式中很清楚，但在口头上很难理解。)
来源：这个短语源于英语中 write 的动词形式。
例句：
Please submit your proposal in writing. (请以书面形式提交您的建议书。)
The instructions are clear in written form, but they're difficult to understand when spoken. (说明书在书面形式中很清楚，但在口头上很难理解。)