Take reading, it must first reading lots of primary book.

就拿阅读来说，首先要读大量初级书。

youdao

Before a type can be pooled, it must first be registered.

在汇聚类型之前，首先必须注册它。

youdao

Whatever the university comes to symbolise, it must first be built.

无论这个大学将会代表什么，它必须首先要建造好。

youdao

Doctors can collect it with a needle. But people who donate marrow must first have tests to make sure they are a good match for the patient.

VOA: special.2009.12.16

It must certainly apply to matters of opinion to what we would call today First Amendment issues.

它必须能适用于关乎民意的事件,就像今天的第一修正案事件一样。

耶鲁公开课 - 政治哲学导论课程节选

He tells VOA tougher action must follow. "This is am important first step, but it is only a first step,"

VOA: standard.2009.12.09

But to do that it must first find a solution to its political deadlock.

ECONOMIST: Paraguay

It must first prove that Intel is a monopoly a much trickier task than with Microsoft.

ECONOMIST: Slippery slope

Anything that the government gives the middle class, it must first tax away from them.

FORBES: Economic Growth Will Pay For Mitt Romney's Tax Cuts