例句：We hope you can acknowledge your mistake in public.
      希望你当众认错。

2.diploma n.文凭,毕业证书

例句：He proudly displayed his diploma.
      他骄傲地夸示他的毕业文凭。

3.benefit v.有益于,对…有益

例句：This new medicine will benefit mankind.
      这种新药将造福人类。

4.dramatically ad.从戏剧角度;戏剧性地,显著地

例句：The oil price has climbed dramatically in the last five years.
      过去五年里，油价一路飙升。
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