副词
中文翻译：到目前为止
同义词：
['yet', 'up to now', 'so far例句：1. We have not seen each other for a long time', 'as yet.（我们很长时间没有见面了，直到现在。）']
例句：
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1. We have not seen each other for a long time, as yet.
我们很长时间没有见面了，直到现在。
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2. The project has been in progress for three years, as yet.
这个项目已经进行了三年，直到现在。
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3. As yet, we have not decided on the final details of the plan.
到目前为止，我们还没有决定计划的最终细节。