Among domesticated animals, only dogs are capable of performing such a wide variety of roles for humans: herding sheep, sniffing out drugs or explosives and being our beloved companions.
在驯养的动物中，只有狗能够为人类扮演一系列角色：赶羊群、嗅药味或者炸药味，并成为我们最亲密的伴侣。
Other countries, though, such as Britain and Italy, have also been quick to deploy armed drones and Israel, in particular, has a thriving UAS industry, using drones in a wide variety of roles.
其他国家，例如英国和意大利正在加紧部署武装无人机；特别是以色列，国内“无人飞行系统”工业兴盛，“无人空中系统”扮演的社会角色多种多样。
I handle a wide variety of roles in my job, including those of a small IT department, and I can tell you that adding programming skills to the mix is extremely important to getting things done.
我工作管理的范围很广泛，包括各种小型的IT部门，我可以告诉你，组合编程技巧很重要。
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