There is no doubt that enough concern must be paid to the problem of air pollution.

毫无疑问，我们必须对空气污染问题有足够的重视。

youdao

The balance of $500 must be paid within 90 days.

500元结欠款必须于90天之内付清。

《牛津词典》

The lease plainly states that all damage must be paid for.

租约明确规定，一切损坏必须赔偿。

《牛津词典》

So attention must be paid.

VOA: special.2009.11.29

And 95% of income must be paid out--they can't retain earnings.

5%的收入必须分配掉,不得留存

耶鲁公开课 - 金融市场课程节选

and most recently,"Invictus." If Kyle's latest release, "Metropolitain",has a breezy, "Miles Davis" quality to it, partial credit must be paid to co-producer Erin Davis, son of the legendary jazz trumpeter.

VOA: standard.2010.04.16

Unless the money is earmarked to buy a home, a loan must be paid back in five years.

FORBES: Ball And Chain Borrowing

When the shrewdest investor in America pulls back from a major market, attention must be paid.

FORBES: Could Municipal Bonds Be the Next Financial Titanic?

Moreover, more attention must be paid to the plight of vulnerable African immigrants around the world.

FORBES: Israel Forcibly Injected African Immigrants with Birth Control, Report Claims