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1·Tel Aviv has become a center for cutting-edge technology research and a major entrepreneurial hub.

特拉维夫已经成为尖端技术的研究基地和重要的创业中心。

2·Developers: Avoid using HTML extensions and be careful about using cutting-edge features of the language that may not yet be supported by all major browsers.

开发人员：避免使用HTML扩展并在考虑使用某语言的最新特性时格外小心，因为这些特性可能还尚未获得所有主流浏览器的支持。

3·A major trauma center for southeastern New England, the hospital is dedicated to being on the cutting edge of medicine and research.

作为新英格兰东南主要的外伤中心，该院致力于站在医学和研究的前沿。