Foreign language learning motivation research is just one of the important signs in this turn.

到目前为止许多对动机和外语学习进行了大量的研究。

youdao

This facility was then in its third decade of production and was beginning to show signs of decline, perhaps because of over development.

当时该设施已经快有三十个年头了，并开始出现衰退的迹象，这可能是由于过度开发。

youdao

But there are encouraging signs in this report."

VOA: standard.2010.02.07

Those two equal signs are saying, is this thing equal to, in value, the thing on the other side?

这两个等号意思是，左边的对象，在值上是不是和另外一边的相等？

麻省理工公开课 - 计算机科学及编程导论课程节选

So in fact this is indeed a positive number so we didn't make a mistake in our signs.

因此等式的右边也是正数,两边符号吻合。

麻省理工公开课 - 热力学与动力学课程节选

But the signs in this regard are not all that encouraging.

CENTERFORSECURITYPOLICY: Ambulance-chasing, from Kabul to Gaza

And does the overall prospect of this, do you fear that this is going to go on every year, I mean do you see any signs of progress in this particular area?

BBC: News Online

Both planemakers are already seeing signs of this in their bulging order books.

ECONOMIST: Business travel