syntax-case macros are harder to write, but they are much more powerful because you have pretty much the entire Scheme runtime available to you for transformation.
syntax-case 宏很难编写,但是其功能更加强大,因为这样就可以使用完整的 Scheme 系统功能来进行转换了。
Sure they can do much more than run a web browser, but as web applications and services grow more powerful, the list of things you have to do outside of a browser window shrinks.
当然它们不只是可以运行一个浏览器,但是随着浏览器应用和服务器端越来越成熟,脱离浏览器才能所做的事情越来越少。
The Reaper is much more powerful than its predecessors. It not only flies higher, but loiters longer, and – most significantly – carries a more destructive payload.
“收割机”比以往的无人机更具威力,它不仅飞得更高,滞空时间更长,更重要的是它能够携带具有摧毁性的武器。
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