The buyer has to sign a delivery note as proof of receipt.

购买者必须签收送货单表明货已收到。

《牛津词典》

Note that while both tools allow the user to generate self-signed certificates, neither tool allows the user to sign a certificate.

请注意，虽然两个工具都允许用户生成自签署的证书，但是它们都不允许用户签署证书。

youdao

But when users shows no sign of ending their phone calls or pulling themselves away from what they're doing, leave a note on their desk asking them to call you when they are free - and walk out.

但如果没有迹象显示用户要结束电话或手头工作的话，可留下一个便条，请他们在有空的时候给你打电话—然后走开。

youdao

Second thing I want to note is, the little hash mark or the pound sign, that's identifying a comment.

我想要说的第二件事是，这个小斜杠或者是井字号，这是用来标注注释的。

麻省理工公开课 - 计算机科学及编程导论课程节选

Jennifer Lee, senior economist at BMO Capital Markets, said in a note to clients that the March decline might be the first sign that companies are worried about federal spending cuts that took effect on March 1.

NPR: Survey: US Manufacturing Grew More Slowly In March

Note: The sign-up period for community job forums has come to a close, look for the final report synthesizing the feedback we got in the coming weeks.

WHITEHOUSE: It's Work Creating Jobs, But It's Worth It

"We believe this is a positive sign as customers appear more comfortable with inventory levels heading into the holiday season, " Barton said in a client note.

FORBES: Texas Instruments Flies Above The Crowd