The sender of the email is listed in the "From" field.
发件人在"发件人"字段中列出。
She sent her son to school with a packed lunch.
她给儿子打包了午餐送去学校。
The sender was unknown, so the package was returned to the post office.
发件人不详，所以包裹被退回邮局。
The sender's handwriting was barely legible on the envelope.
发件人的笔迹在信封上几乎看不清楚。
He's the sender of the generous donation we received last week.
他就是上周我们收到的大额捐款的捐赠者。
The sender apologized for the late delivery of the package.
发件人因包裹延误而道歉。
The sender enclosed a handwritten note with the gift.
发件人在礼物中附带了一张手写的便条。
The sender's address was not clear, causing confusion at the recipient's end.
发件人的地址不明确，导致收件人一头雾水。
In online communication, the sender can use emojis to express emotions.
在网络交流中，发送者可以使用表情符号来表达情绪。
The sender of the message seems to have a strong understanding of the topic.
消息的发送者似乎对这个话题有深入的理解。
Dada Group operates JD Daojia, one of China's biggest local on-demand retail platforms for retailers and brand owners, and Dada Now, a leading local on-demand delivery platform open to merchants and individual senders across various industries and product categories.
达达集团运营着京东道家和达达Now，京东道家是中国最大的零售商和品牌所有者本地点播零售平台之一，达达Now是一个领先的本地点播配送平台，向各个行业和产品类别的商家和个人发件人开放。
Up to 400,000 pieces of information, including names, addresses, phone numbers of the senders and recipients of parcels were sold by the company's employees to fraudsters for profit, according to a report by Beijing News on Nov 16.
据《北京新闻》11月16日报道，该公司的员工将包括寄件人和收件人的姓名、地址和电话号码在内的多达40万条包裹信息出售给诈骗犯以谋取利益。
Senders in China are required to show their ID cards when sending packages.
However, the facial recognition technology will scan the face of senders in one to two seconds, and senders can have their packages or letters delivered without giving their personal information, according to Cainiao.
Senders need to upload information of addressee and mailing addresses via various mobile apps of Alibaba, such as Taobao and Alipay, in advance.
The Zhejiang-based company said the technology, which has received advice and support from local postal sectors and public security departments, can better protect senders' individual privacy, and the whole process of sending packages will be simplified.
"Express parcel senders have been required to provide their real names and phone numbers since late 2015.
Dada Group, a local on-demand delivery and retail platform, found a 1.4 times jump in the number of orders when the sender and the receiver live in different cities.
The industry will focus on rural areas to improve service, strengthen protection of the personal information of senders and recipients, and enhance the protection of couriers' legal rights, said Hou Yanbo, spokesman for the bureau.
The sender, Yuxing Technology Industry Co Ltd, is the manufacturer of the toy.
Popular instant messaging tool WeChat reassured users on Wednesday it wouldn't add a function displaying a "seen" notification, which alerts senders the recipient has read the message.
周三，热门即时通讯工具微信向用户保证，它不会添加显示“已读”通知的功能，该功能会提醒发送者接收者已阅读了消息。
Japan's Nikkei reported that package senders and recipients－as well as investors－have begun paying closer attention to environmental, social and governance issues.