1. A is a widely discussed topic from B to C to D.
   例句：How to balance the work and leisure is a widely discussed topic from authorities concerned to research bodies to corner stores.
   翻译：如何平衡工作和休息是一个从有关部门到研究机构到街角商店都在广泛讨论的话题。
2. front：方面；financial front：经济方面.
3. cheer the news as evidence that… 为这个消息欢呼，认为其证明了…
4. Vital signs look solid. 关键指标看起来是很可靠的。

As the economy continues to grow past what many predicted was possible, some analysts and officials are wondering if the current state of the economy is too good to be true — and that experts must be missing warning signs.

• grow past 发展超过了…

• 主干：
  some analysts and officials are wondering
• 宾语从句一：
  if the current state of the economy is too good to be true
• 宾语从句二：
  and that experts must be missing warning signs.
• 状语从句：
  As the economy continues to grow past/ (what many predicted was possible.

随着经济增长继续超越许多人所预测的可能性，一些分析人士和官员在想，目前的经济状况是否太好了以至于不可能是真的，专家们肯定忽略了警告信号。