I think that it's true that the economy is difficult and there is a big challenge in front of us.

我认为经济形势确实很困难，我们面临着巨大的挑战。

youdao

It is also true that it is difficult to think of a single such system that has not, for better or worse, been substantially modified by human culture.

同样，很难想象一个这样的系统：不管是好是坏，都没有经过人类文化的实质性修改。

youdao

It's true that your father will find it extremely difficult to get out of the habit of smoking, but he should try his best for health's sake.

确实，要你父亲改掉吸烟的习惯很难，但是为了健康，他应该尽力戒除。

youdao

Confirming Mister Muse's true age is difficult because birth documents are rare in Somalia.

VOA: special.2009.04.25

So I think that it's true that the economy is difficult and there is big challenge in front of us.

所以我觉得，目前的经济形势真的很困难，我们面临着很大的挑战。

事业就是挑战 - SpeakingMax英语口语达人

It was difficult to get a true picture of what was happening in Cuba.

VOA: special.2010.07.08

This is particularly true in difficult financial times, when cash is king.

FORBES: China Enters the Vineyard

They did their best to collect true numbers in difficult circumstances and with little money.

ECONOMIST: Good news on treatment. Bad news on propaganda

That makes it difficult for true independents to run.

ECONOMIST: Good sense in the local elections