But until today, how to effectively use the auxiliary multimedia teaching to improve the teaching effect, is still an issue that is worth studying.

然而直至今天，如何有效使用多媒体辅助教学提高教学功效，仍然是一个值得研究的问题。

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"Until today," said the Farmer, "my donkey has drawn the water for me, but now that poor animal is dying."

“在这之前，”园丁说，“打水了的活是我的驴干的，但是现在这个可怜的牲口快要死了。”

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But Mr Brown has until today refused to say anything to confirm or deny the suspicions.

但布朗直到今天仍拒绝对此加以肯定或否定。

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I'm going to show another movie today but not until a little bit later in the class.

今天再给大家看一部电影,不过得是在后半段时间才行。

耶鲁公开课 - 政治哲学导论课程节选

But until today, neither side had any indication how such a tax would actually work.

FORBES: Senate Proposal For Tax Reform, Part 1: The Buffett Rule Becomes (Proposed) Reality

The drug giant received the FDA approval on Thursday, but waited until today to make an announcement.

FORBES: Pfizer Antipsychotic Gets New Approval

I'd been working hard and I hadn't quite got back in that position until today, but I felt good out there.

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