But its promotion is still very difficult.

但大量推广仍然困难重重。

youdao

Though the sea is rich in resources, it is still very difficult for men to work under the ocean.

尽管海里资源丰富，让人们在海下工作还是非常困难的。

youdao

That leaves the United States, and the real strength of the U.S. recovery is still very difficult to judge.

这样，美国的状况以及美国复苏的真正力道还不好判断。

youdao

"The job market is still very difficult. We are seeing layoffs continue, not at the heavy pace we saw at the beginning of the year, but they certainly have not abated,"

VOA: standard.2009.08.05

And scientists have been working on this for years and there's been progress, but it's still a very difficult challenge.

科学家们对此已经研究很久了,并取得了进展,但仍有很大挑战

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

"Both these men were well equipped with crampons and ice axes and they got into difficulties in what are really still very difficult conditions, " he said.

BBC: North West Wales

However, with opinions and allegiances as divided as ever, and with guns still out in the streets of Beirut, real peace in Lebanon is still very difficult to imagine.

BBC: Lebanese sceptical over unity talks

Two, the jobs picture is still very difficult.

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