原级：optimist
1. Optimists say gas hydrates could reliably replace the conventional oil and coal, thanks to its abundant deposits under the sea.
2. But then talk turns to the state of the Union, and the Optimists become decidedly bleak.
3. The optimists say the stock market is fine at present because they think China has a unique economy different from others.
4. It is the first time the reading exceeded 50, which means optimists outnumber pessimists.
5. Neither view captures the true nature of the complicated relationship, as both the optimists and pessimists have missed the full picture.
6. The weather has become a lightning rod to divide optimists and pessimists.
7. optimists的解释
7. The negative reading means that pessimists outnumbered optimists for the first time since 2003.
8. optimists的意思
8. Optimists hope India and Pakistan's nuclear parity will now lead to serious and constructive peace talks.
9. Optimists once believed that the Chinese economy had grown resilient enough to shrug off a US recession.
10. There isn't a lack of optimists in the ranks of economists, however.