毕昇经过多次尝试，发明了活字印刷术。
Bi Sheng invented the movable type printing after trying many times.
经过多次尝试让远程调试工作，最终我放弃了，杰里米的建议。
After many attempts at getting remote debugging to work, I eventually gave up and took Jeremy's suggestion.
经过多次尝试，我发现了列一个清单是最简单、最能避免小问题出现的办法。
Through trial and error, I have found that checklists are an easy way of making sure that even the smallest detail is taken care of.
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