1·Another way favoured by manufacturers is to take a piece of data from the image and assign it a secret code.
另一种为制造商们所喜爱的方法是从图片中提取出一片数据，并为其指派一个密码。
2·Written on the Body is a secret code only visible in certain lights: the accumulations of a lifetime gather there.
对身体的描述是一种密码，只有在一定的光线之下才可以看到：把整个的一生积累在一起。
3·The quality and provenance of your writing paper is like a secret code.
信纸的质量和产地似乎成了一种密码。
4·Even so, many proud Shanghainese use the lan-guage as a secret code to signal that they belong to the in crowd-and often to ensure fair deals in local shops.
但即使如此，很多上海人仍然以说方言为荣，他们把自己的语言做为一种证明身份的密码来认清彼此，很多时候，在小商店里使用上海话会得到另眼相看从而保证不会吃瘪。
5·In this secret code each number stands for a letter of the alphabet.
在这组密码中，每个号码代表字母表中的一个字母。