They hae no nutritional alue but are included simply to extend the shelf life of food .

它们没有什么营养价值，只是被简单的混在食品中，以延长食品的保质期。

Our present culture forces many women to ignore their creatie energy , only understanding its alue after much heartache .

我们的现代文明迫使许多妇女忽视生育能力，只是在心痛之余才会理解其价值。

You can also cast spells on the dragons to increase a certain alue .

你也可以对飞龙施以法术，来增加某项属性值。

The increase of cure rate brings labor alue to the society , also eleates the social relief competence and treatment leel .

救治率的提高，给社会带来劳动价值，提高了社会救助能力和社会整体救治水平。

The task force also found that , because the indices it uses are ery sensitie to change , clinical exercise testing can be used to diagnose certain conditions and diseases and can also hae a prognostic alue .

研究小组还发现，由于该试验使用的指数对各种改变非常敏感，临床运动试验可以用于诊断某些疾病，而且也具有诊断价值。