1.an initial version of 初始版本

An initial version of the plan recommended that students draft letters to themselves discussing "what they can do to help the president. "

最初的計劃是建議學生自己給自己寫信，討論“他們能幫總統做點什么d!*l%Nf&RN*Rn。”

2.feed in 輸入；進給；提供

A very common use is to feed in passwords, which typically should be unique to every deployment.

一種極常見的做法就是提供密碼，而每種配置的密碼應該都是不一樣的wWCwz|3Xq+P)[。

3.keep up 保持；繼續；堅持

You have clearly set goals for yourself and it seems to be a constant struggle for you to keep up with them.

你給自己制定了清晰的目標，只是對你來說，你總是很難把目標堅持下去XoG]6tc[|sWN。

4.call in sth. 致電說明

It’s a hot topic, and people have been calling in it all morning.

這是個熱點話題，一早上一直有人打電話聊這事兒Klj)R|r5vo89O1YD[+he。