瓶装水会更加健康?

短语讲解：

1. Although people used to rely largely on tap water as their main source of drinking water, in recent years consumers have begun to shy away from tap water and turned to bottled water.

used to过去一向,过去时常;过去曾(而现在不再)做
例句：Grandmother used to darn her own stockings. 
祖母过去总是自己织补袜子。
rely on信赖, 依赖
例句：You can't rely on the weather.
天气是靠不住的。
tap water自来水,非蒸馏水
shy away from躲开〔避开〕
例句：She's always shied away from close friendships.
她总是避免与人深交。
turn to (把注意力等)转向
例句：More and more people turn to computer science.
愈来愈多的人从事计算机科学研究。

2. The various minerals and trace elements they are supposed to contain are marked on the bottles' labels.

be supposed to应该,被期望
例句：Hobbies are supposed to be relaxing.
业余爱好应该是令人放松的。

3. Most customers say they are not sure if conceptual bottled water is really worth the price, and they believe ordinary plain water is good enough.

worth the price值这个价钱的
例句：The product is worth the price.
这个产品值这个价钱。

4. Nutritional experts say there are no production standards for conceptual water in China, so that manufacturers determine the nutrient content.

so that结果, 以致
例句：Everyone lent a hand, so that the work was finished ahead of schedule.
每个人都帮了忙, 所以工作提前完成了。