Кадр: @mar.maries
"The weapons are just plastic and metal, without teaching and training," he said.
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"There will be so much activity that everybody is going to be able to find a job that wants one," he said.
人 民 网 版 权 所 有 ，未 经 书 面 授 权 禁 止 使 用
N×12N−1N \times \frac{1}{2^{N-1}}N×2N−11