Write. Do you write well? Offer your services to friends and family. Edit important letters. Proof papers. Compose pieces on commission. Start a weblog about one of your passions!

写作。你擅长写作么？为你的家人朋友提供些帮助，编辑重要信函，试验论文，编写有关授权的细节，开设一个你某种酷爱的博客。

youdao

The proof was fished up from old papers.

这个证据是从旧文件中搜寻到的。

youdao

It often consists of determined attacks on famous questions, consisting of proof-attempts made in an isolated way (that is, long papers not supported by previously published theory).

它常常包括在著名的组成问题的证据，确定攻击的企图孤立地的(即，不支持长文件由先前公布的理论)。

youdao

Given the ease with which proof-of-origin papers can be faked, it was hard to tell where any of it really came from.

ECONOMIST: Genetic testing of wood can curb illegal logging