请在寄送船运文件的同时附上手写发货单正本(要求用蓝色墨水签名)。
Together with shipping documents we need to receive an original hand-signed invoice (sign with Blue ink).
我正在用蓝色的墨水写字。
用纸要体面，纸的颜色要柔和、不可艳丽，就像奶油或者蛋白一样；要用黑色或棕色墨水——不要用蓝色、绿色，更不要用红色！
Use decent paper in a neutral, soft colour such as cream or white, and write with classy black or brown ink - no blues, greens or reds!
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