optional extra的意思

optional extra中文翻譯：

可選配件；可有可無的東西

任選附件

相似詞語短語

optionality───可選擇性

optional hyphen───可選連字符

National City───國民城市銀行；納欣諾市（美國加利福尼亞州西南部城市）

National Park───（美）國家公園

fractional extraction───分步萃取

national debt───國債

national epic───民族史詩

雙語使用場景

Too busy getting on with life, many seemed to have jettisoned courtesy as an optional extra.───由于過于忙的要應付生計，許多人似乎投棄了謙恭，把它當成是可選擇的額外部分。

A simple idea would be to sell access to the quiet carriage as an optional extra when the ticket is bought.───只需在售票時為安靜車廂額外收費，就可輕松實現這一想法。

Why does this have to be an optional extra and not part of the basic package?───為什么有那么多余的可選功能而不是只有最基本的功能 呢 ?

The system includes speakers and an amplifier. A projector security cage is an optional extra.───該系統包括還包括一個揚聲器和放大器。

A holiday isn't an optional extra. In this stressful, frantic world it's a must.───休假并非可有可無。在這個緊張而忙碌的世界，它是必不可少的。

The car radio is an optional extra.───汽車上的收音機是可選擇的額外配件.

The cassette player is an optional extra in this make of car.───這種型號汽車如需盒式磁帶唱機費用另計.

Constructors have optional extra parameters for the comparison object.───構造函數有可選的額外參數用于比較用的函數對象.

英語使用場景

Music is an optional extra at our school.

No, sorry, massager is an optional extra.

An optional extra is a rainfall monitor.

Leather seats are an optional extra.

Reading is not an optional extra.

Cruising chutes are available as an optional extra.

Return flight back to U.K. or optional extra day in Stockholm, for sightseeing or a visit to a local woodworking group.

What optional extra security devices are available?

Atheism for Marxism is not an optional extra or a mere facet but the very essence of it.