So having a single copy of the SHOX gene results in, you guessed it, short stature.

可以预见，仅拥有一个SHOX基因副本会导致身材矮小。

Let's take a step back, a single copy of DNA is not very much of it.

退一步说，单一的DNA拷贝不够多。

It meant any inexpensive newspaper; perhaps, more importantly, it meant newspapers that could be bought in single copies on the street.

它可以指任何便宜的报纸；也许更重要的是，可以在大街上买到单份的报纸。

For example, in 1909 anyone who wanted to make a single copy of a literary work for personal use had to do so by hand.

比如，在1909年，任何想要复印单份文学作品以供个人使用的人，都必须手工复制。

At first, the price of single copies was seldom a penny — usually, two or three cents was charged — and some of the older well-known papers charged five or six cents.

起初，单份报纸不会只卖一便士——通常收取两到三美分——一些老牌的著名报纸会收取五到六美分。

Not only would you have to worry about the initial cost of setting up shop, but you'd also have to spend money on every single copy you made and distributed.

您不仅要担心开店的初始成本，而且还必须为制作和分发的每份副本花钱。

It had been possible (but not easy) to buy single copies of newspapers before 1830, but this usually meant the reader had to go down to the printer's office to purchase a copy.

在19世纪30年代之前，买到单份报纸是可能的（但并不方便），但这通常意味着读者必须走到印刷商的办公室去买一份。