originally ad

基本解釋

Twitter is an ad-hoc messaging service originally intended to allow users to update their friends with what they were doing.
Twitter是一個ad-hoc(一種無線互連對等網(wǎng)絡(luò)結(jié)搆) 實時信息服務(wù)網(wǎng)站，它最初的目的是讓使用者的朋友及時地知道該使用者正在做什麼。
It was originally built in 598 AD during the Sui Dynasty, and named as Tiantai Temple at the beginning. It was built according to the design from the founder - Grand Master Zhiyi).
始建於隋天皇十八年（598年），初名天臺寺，是依據(jù)天臺宗創(chuàng)始人智者大師親手所畫的樣式所建的。
blog.sina.com.cn
Even though anti-dumping(AD for short) laws were originally intended to address predatory pricing by foreign firms, over time they became a tool of protectionism abused by many countries.
反傾銷法本來是用於防範外國公司以掠奪性價格進行傾銷，但卻日益成爲貿(mào)易保護主義的工具，被許多國家濫用。

Overlooked is that the ad originally came to the world's attention via that haven of tradition media, network television--and during the Winter Olympics, among the most expensive moments on TV.
FORBES: Magazine Article
That is, the ad to be aired during the game is not the one company executives originally hoped to use.
FORBES: SodaStream Is Bubbling Up With Super Bowl Ad