一年后，他给我介绍了这个项目，当时是用代号来表示的，所以我并不知道具体是什么项目。
After being with them about a year, they submitted me for this project, which had a codename at the time, so I didn't know what it was.
例如日益流行的网上约会，人们用四位代码（国家代号）搜索对方，如果那没有效果的话，人们会扩大他们的搜索范围。
Consider the growing popularity of online dating services. People look in the four zip codes around them, and if that doesn't work, they expand their search.
如果我叔祖父提到这个人的时候不是用数字做代号而是直接记录名字的话，那我可能会亲自拜访；但即便如此，我还是跟踪了几个案例。
Hadmy uncle referred to these cases by name instead of merely by number, Ishould have attempted some corroboration and personal investigation;but as it was, I succeeded in tracing down only a few.
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