This is largely the result of the public choosing lower-trained installers who might not follow recommended standards.

这在很大程度上是因为公众选择了受过较低培训的员，他们可能不遵的标准。

For the last five years, the fastest-growing job in the US has been solar installer.

在过去的五年里，美国增长最快的工作是太阳能工。

This means many cooling system installers might not follow legal requirements when removing old systems or putting new ones in.

这意味着许多冷却系统者在拆卸旧系统或新系统时可能不会遵法律要求。

We need green building retrofitters and wind turbine installers and bike lane planners.

我们需要绿色建筑改造员、风力涡轮机员和自行车道规划员。

In the past lesson, I used the example that the window installers were very professional.

上一课，我用了的例子，窗户师傅很专业。

There's probably like a little MSI installer you click or something, and then you get Linux, and there you go, right?

可能就像你点击的一个小MSI程序之类的东西，然后你就得到了Linux， 就这样，对吧？

Sellers and installers of cooling equipment in Nigeria told the news agency that although HFC systems are less damaging to the environment, they are more costly to operate.

尼日利亚的制冷设备销售商和商告诉通讯社，尽管HFC系统对环境的破坏较小，但它们的运营成本更高。

If the window installers had broken the window and left broken glass on the ground and tracked mud into your house when they were going in and out, we would say that they were very unprofessional.

如果窗户的在进出时打破窗户，把碎玻璃留在地上，把泥巴带进你的房子，我们会说他们很不专业。