So the customer in the choice of auxiliary heater, must choose good material, can prolong the service life of it can guarantee quality of health.

所以客户在选择热水器辅材的时候，一定要选择优质的材料，既可以延长使用寿命也可以保证水质的健康。 。

youdao

Five: feeder, the feeder is very important, we must choose good, and we want to know the general antenna distance can't more than 50 m, or receiving signal will become weak.

五：馈线，这个馈线很重要的，我们必须要选择好，而且我们要知道一般的天线距离不能超过50米，要不然接收的信号就会变弱。

youdao

There is a battle between good and evil in our world, and we must choose sides.

不过我坚信也亲身体验过事情总会变好，只是需要时间。 现实世界里存在善良与邪恶的对抗，我们必须选择好立场。

youdao

Mroue says the camps insist the Lebanese must choose again - for us or against us, black or white, good or evil.

NPR: Play Challenges Lebanese to Face Past, Present

Instead, we must work toward a system in which all Americans have a good insurance policy, choose their own doctors, and seniors and low-income Americans receive the help they need.

CNN: Transcript of State of the Union

"We must work toward a system in which all Americans have a good insurance policy, choose their own doctors, and seniors and low-income Americans receive the help they need, " Bush declared.

FORBES: Magazine Article