We don't know how they got that material - it may be a combination of leaking of documents, but also one strongly suspects they have hacked into systems as well.

“不知道他们如何得到那些材料——也许是一组文件的泄露”，也有人强烈质疑他们是否已经潜入了军事系统。

youdao

Bamboo's the most common material, but they are also be made of various types of wood, as well as plastic, porcelain, animal bone, ivory, metal, coral, agate, and jade.

竹子是最常见的材料，但它们也可以用各种各样的木材，以及塑料，瓷器，动物的骨头，象牙，金属，珊瑚，玛瑙，玉器等做成。

youdao

If I were to go earlier than later, I would just as well make sure that any material belongings would be divided among family and friends.

如果我要提前而不是延后去天堂，那么幸亏我确定好我所有的财产分配给我的家人和朋友了。

youdao

The legal frameworks of the ethnic-racial issue in Brazil will be presented as well as the experiences with elaboration of pedagogical material about African and African-Brazilian History and Culture for teachers working in primary education.

UNESCO: International Seminar discusses Education on Ethnic-racial Relations | United Nations Educational, Scientific and Cultural Organization

Waiting for the job recovery might be a good time to take a broader measure of the material well-being of Americans.

ECONOMIST: The economy

It identifies the conditions that need to be in place before organized returns begin, such as the physical, material and legal safety and well-being of the returnees.

CNN: UNHCR focus on returning Iraqis