These are games; one must first answer.

这些问题不过是游戏，但人们必须要先行回答。

youdao

To say "I love you" one must first be able to say the "I."

要说“我爱你”，首先必须能够说出“我”。

youdao

Master: One must first master the highest level of kungfu.

一个人必须先达到功夫的最高境界。

youdao

The judge promised there would be one. But,he says,for that to happen, Karadzic must first appear in court.

VOA: standard.2009.10.26

To answer that question, one must first understand the difference between how business and consumer marketing operate.

FORBES: B2B Marketers Take Their Seat at the Table

To get into the cave one must first descend by rope to the bottom, which can be a somewhat daunting experience for a first-timer.

FORBES: By Sonya Angraini (Forbes Indonesia)

To understand, one must first go back thousands of years to Phoenician times, when black-hooved pigs (another name for the breed is pata negra, or black hoof) were introduced to an oak-grove ecosystem in southwestern Spain known as the dehesa.

WSJ: Debut: Jam��n It Up, Legitimately: Get Iberian Ham in the U.S.