gainless

gainless的音标是[?ɡe?nl?s]，中文翻译为“无益的，无增益的”，其词源是拉丁语，表示“没有收益的”。这个词通常用于描述某种情况或行为没有带来预期或期望的结果。

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以下是速记技巧的一些变化形式，每个不少于100字：

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1. 语音速记：通过将语音转化为文字，快速记录讲话内容。技巧包括掌握常见词汇的缩写和口音转换等。 #

2. 图像速记：利用视觉记忆能力，通过观察图像快速记住信息。技巧包括训练视觉记忆力，掌握图像转录技巧等。

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3. 数字密码速记：利用数字密码进行快速记忆。技巧包括掌握数字与事物的对应关系，建立数字密码库等。 #

4. 位置记忆法：通过记住空间位置来记忆信息。技巧包括建立空间记忆地图，训练联想能力等。

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5. 联想速记：通过创造联想来快速记住信息。技巧包括训练联想能力，掌握联想分类等。

6. 故事速记：通过创造故事来记忆信息。技巧包括选择有趣的主题，创造生动的故事情节等。 #

7. 口诀速记：通过创造口诀来快速记忆信息。技巧包括选择适合的口诀，掌握口诀的编写方法等。

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以上技巧都需要一定的训练和实践才能熟练掌握，同时还需要结合其他记忆方法，如卡片复习、重复复习等，以提高记忆效果。 #

gainless没有收益的，无益的 #

短语：

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1. gainless investment

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2. gainless effort #

3. gainless expenditure #

4. gainless spending

5. gainless activity

6. gainless pursuit

例句： #

1. His years of gainless toil finally paid off when he was offered a promotion.

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2. The project was a gainless venture, but he insisted on going ahead with it. #

3. They devoted their whole lives to a gainless pursuit of knowledge. #

4. The company's efforts to increase profits through cost-cutting have been gainless so far.

5. His efforts to improve the company's productivity have been gainless so far. #

6. The investment was a gainless one, as it failed to yield any returns. #

7. She has been engaged in a gainless pursuit of art for years, but she remains unswervingly committed to it.