1.“支持”的高级表达
endose原义为，汇票、支票等票据上背面“签名、背书”；引申义，“支持，赞成”
It's a cashier's check. Endorse it over to me.这是银行票据。背书给我。
The purport of the letter was that I was expected to fully endorse his opinion.这封信的主要意图就是希望我能够完全支持他的意见。
同义词：
champion: He passionately champions the poor他曾经热情地捍卫穷人。
support: support your ideas
2.食物的“生产日期”表达
best-before date; shelf life; refreshness life保质期
expired food过期食物
have a shelf life of sth保存期是……，保质期是……
This kind of bread has a short shelf of three days.这款面包保质期只有三天。
sell-by date保质期，最晚销售日期
The milk is past its sell-by date.牛奶已经过期了
production date生产日期
manufacturing date生产日期
expiration date保质期
durability period有效期，耐用期
