对于雅思听力初级阶段的同学，直接听肯定是有难度的，而且效果还不好，很贴心地为这部分小伙伴准备了中英对照地听力字幕文件，供大家练习听力时对照参考。接下来请看雅思资讯：雅思听力字幕剑13 Test4(section3-2)
剑桥雅思13真题听力 Test4(section3-2)
What do you think of the traffic-light system?
你觉得交通信号灯系统怎么样?
I think supermarkets like the idea of having a colour-coded system -- red, orange or green
我觉得超市很喜欢颜色编码系统--红色、橙色或者绿色
for levels of fat, sugar and salt in a product.
作为产品中脂肪、糖和盐的含量。
But it's not been adopted universally. And not on all products. Why do you suppose that is?
但是那没有广泛采用。也不是所有的产品都使用了。为什么会那样呢?
Pressure from the food manufacturers.
来自于食物生产商的压力。
Hardly surprising that some of them are opposed to flagging up how unhealthy their productsare.
他们中的一些人反对让大家关注他们的产品多不健康。
I'd have thought it would have been compulsory. It seems ridiculous it isn't.
我想过让它可以变成强制性的。不是强制性的看起来很荒谬。
I know. And what I couldn't get over is the fact that it was brought in without enoughconsultation
我知道。我不能理解的是没有经过足够的商讨它就被引入使用了，
a lot of experts had deep reservations about it.
很多专家对此持保留意见。
That is a bit weird. I suppose there's an argument for doing the research now
那有一点奇怪。我觉得做这个研究可能有点争议，
when consumers are familiar with this system. Yeah, maybe.
因为消费者已经熟悉了这个系统。恩，可能是吧。
The participants in the survey were quite positive about the traffic-light system.
调查里的参与者对交通信号系统表现得非常积极。
Mmm. But I don't think they targeted the right people.
恩，但是我觉得他们没有针对正确的人群。
They should have focused on people with low literacy levels because these labels are designedto be accessible to them.
他们应该侧重于文化水平不高的人，因为这些标签是为了方便他们而设计的。
Yeah. But it's good to get feedback from all socio--economic groups.
是的，但是如果能从所有的社会经济群体收集反馈是很好的。
And there wasn't much variation in their responses.
而且他们的回答差别不大。
No. But if they hadn't interviewed participants face-to-face,
对。但是如果他们没有面对面采访参与者，
they could have used a much bigger sample size. I wonder why they chose that method?
他们本可以使用更大的样本量的。我在想他们为什么选择那种方法?
Dunno. How were they selected? Did they volunteer or were they approached?
不知道。他们是怎么选择的呢?他们是主动参与还是被动的呢?
I think they volunteered. The thing that wasn't stated was how often they bought packagedfood
我觉得是他们主动的。不是很明白的一点就是他们多久买一次包装食物，
all we know is how frequently they used the supermarket.
我们所知道的就是他们多久逛一次超市。
以上为雅思资讯：雅思听力字幕剑13 Test4(section3-2)