In other words, how will db4o react if I run an existing Person-based query against the database when no Mood instances are stored (shown in Listing 5)?

换句话说，当数据库中没有存储Mood实例时，如果在数据库上运行一个基于已有的Person的查询，db4o将如何作出响应(见清单5)？

youdao

No one really knows how many different faces someone can recall, for example, but various estimates tend to hover in the thousands—based on the number of acquaintances a person might have.

例如，没人确切地知道一个人究竟能记住多少张不同的面孔，但是各类评估倾向于几千张上下——依据一个人可能相识的人数来判断。

youdao

In this last change, we judge a person based on their physical appearance, and tie them in with beliefs that will seem quite stupid offline.

最后这一条中，我们通过人的外表来判断一个人，并通过在正常情况下一些愚蠢的想法来加以区分。

youdao

And the fact that all of our visas are fingerprint,bio-metric fingerprints based on ensuring that that person's identity is proven is a very important factor in this,".

VOA: standard.2009.12.28

Bitdefender, the 670-person Bucharest-based security software firm, could be the first initial public offering of a Romania-based tech firm.

FORBES: Will Bitdefender Be Romania's First Tech IPO?

Alternatively, our would-be remitter could use the Bitcoin OTC (over-the-counter) exchange and arrange a person-to-person sale based on reputation history.

FORBES: The Somali American Remittance Dilemma

In-person and phone-based group support is more challenging to find, but very effective.

FORBES: The Power of Stating Your Intentions Out Loud