China's recent scandal of contaminated milk, yak milk will be additional security testing.

由于中国最近发生了牛奶污染丑闻, 牦牛奶将经过额外安全检测.

互联网

Because security testing involves two approaches, the question of who should do it has two answers.

由于安全测试包括两种方法, 所以谁去执行安全测试的问题有两个答案.

互联网