theart.那；这；这些；那些adv.（用于比较级前）更加；用于最高级前；(用于形容词、副词比较级前)越 ... 越 ...Thecodontosaurusn.槽齿龙

1. The key point is the correct enforcement of laws.
   正确实施法律是西部大开发顺利进行的关键。
2. Significant headway has been made in the large-scale development of China's western region.
   西部大开发取得重要进展。