ETA is the time we think a plane, a ship, a train, or a bus will arrive. The letters stand for estimated time of arrival: estimated means it is a careful guess, not a promise. Weather, traffic, and delays can move it.

ETAETA，is the time we think a plane, a ship, a train, or a bus will arrive是我們預估飛機、船、火車或巴士會抵達的時間。The letters stand for estimated time of arrival這幾個字母代表estimated time of arrival（預計抵達時間）：estimated means it is a careful guess, not a promiseestimated的意思是這是個謹慎的估計，不是保證。Weather, traffic, and delays can move it天氣、交通和延誤都可能讓它變動。

Airports, shipping, and delivery apps put it on screens all day. Friends use it in messages too — 'What's your ETA?' means 'About when will you be here?' That use is casual. Offices stretch it even further: 'What's the ETA on that report?' means when the work will be done, though nothing is flying.

Airports, shipping, and delivery apps機場、航運和外送app put it on screens all day整天都把它顯示在螢幕上。Friends use it in messages too朋友之間傳訊息也會用它——'What's your ETA?''What's your ETA?' means 'About when will you be here?'意思是「你大概什麼時候會到？」That use is casual這個用法是很隨性的。Offices stretch it even further辦公室裡把它用得更廣——'What's the ETA on that report?''What's the ETA on that report?' means when the work will be done意思是那份工作什麼時候會完成，though nothing is flying儘管根本沒有東西在飛。

Write it in capital letters. You can say each letter, E-T-A, or say the full words.

Write it in capital letters要寫成大寫字母。You can say each letter, E-T-A你可以一個字母一個字母唸，E-T-A，or say the full words或是唸出完整的那幾個字。

Other things in the world are also written eta or ETA — a Greek letter, and a Japanese word now treated as derogatory. Those are different words that happen to look the same. This entry is only the arrival time.

Other things in the world are also written eta or ETA世界上還有別的東西也寫成eta或ETA——a Greek letter一個希臘字母，and a Japanese word now treated as derogatory還有一個現在被視為帶貶意的日文詞。Those are different words that happen to look the same那些是碰巧長得一樣的不同的字。This entry is only the arrival time這個詞條講的只有抵達時間這個意思。