对许多新闻公司来说，在网上发布新闻是一个更有吸引力的选择，而且它还具有灵活性，可以随着形势的变化随时改变。
Posting news online is a much more attractive option for many news companies and it also offers flexibility in its offering and can change minute by minute as situations evolve.
随着中国数十家新建多晶硅生产商开工运营，太阳能板价格下跌，今年的形势随之发生变化。
That changed this year when solar-panel prices fell as dozens of new Chinese polysilicon-makers started operating.
石油和小麦的价格会随着供求关系的变化而变化，但是工资是“刚性的”：即使当经济形势不好的时候，想要让降薪也是很困难的。
Oil and wheat prices may rise and fall instantaneously to reflect supply and demand, but wages are "sticky" : even when the economy goes bad, it takes a lot to make them fall.
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