When people call something 2.0, they mean a new, slightly better, or quite different form of the same thing: a shop 2.0, a class 2.0, “me 2.0”.

When people call something 2.0當人們把某個東西叫做 2.0, they mean意思是 a new, slightly better, or quite different form of the same thing同一個東西的新版本、稍微好一點或滿不一樣的版本: a shop 2.0像 a shop 2.0, a class 2.0 a class 2.0, 'me 2.0'或『me 2.0』這樣。

It started as a software version number — after 1.0 comes 2.0, a bigger jump than 1.1 or 1.2.

It started as它一開始是 a software version number軟體的版本編號 — after 1.0 comes 2.0在 1.0 之後是 2.0, a bigger jump than 1.1 or 1.2跳動幅度比 1.1 或 1.2 大。

Though actually, in ordinary talk it often is not a real numbered product at all. It is a trendy way to say “the next wave” or “we have given this a fresh start”, and there may never have been a 1.0.

Though actually不過事實上, in ordinary talk在一般用法裡 it often is not a real numbered product at all它常常根本不是真的有編號的產品. It is它只是 a trendy way to say一種流行的說法 'the next wave'『下一波』 or 'we have given this a fresh start'或『我們讓這個重新開始了』, and there may never have been a 1.0而且可能根本沒有過 1.0。

You hear it in business, tech, and newspapers more than in careful school writing; it can sound a little like marketing.

You hear it你會 in business, tech, and newspapers在商業、科技和新聞裡聽到它 more than in careful school writing比在正式的學術寫作裡常見得多；it can sound a little like marketing它聽起來可能有點像行銷用語。

Software people still use 2.0 as a true version number, so the same spelling does two jobs.

Software people軟體業的人 still use 2.0 as a true version number還是把 2.0 當成真正的版本編號用, so the same spelling does two jobs所以同一個寫法在做兩件事。