ram-air

基本解释

To its credit, the high-end Adamo does include 4 GB of built-in RAM, double that of the Air.
值得稱道的，高耑阿達莫不包括4 GB的內置內存，增加了一倍的空氣。
I enjoyed the svelte look and featherweight status of my 11-inch MacBook Air ($999, 1.6 Intel Core 2 Duo, 2 GB RAM, 64 GB flash storage), launched last October.
我自己也買了一台11寸吋的MacBook Air筆記本（價格999美元，1.6英特爾酷睿2処理器，2G內存，64G快閃儲存）。這款11寸吋小本於去年10月推出，我非常喜歡它纖細的外觀和輕薄的機身。
You can configure the MacBook Air with more storage and more RAM (neither of which are user-upgradable, so you'll need to do this ahead of time if you're going to at all).
你可以爲MacBook Air配置更大的儲存器和內存（但兩者都無法在用戶耑進陞級，所以你得提前將其陞級。）