本周是安全周，所以周五的班队课上主题是安全。而我就是主持人！

Is safety week this week, so the class on Friday class theme is safe. And I am the host!

youdao

希望道路安全周的活动将成为今后几年新的有效的道路安全活动的发起点。

It is hoped the events of the Week will serve as launching points for new and effective road safety initiatives in the years ahead.

youdao

通常全周期价值(LTV)分析方法，最终成为广告花销过度的一个借口。

Too often a lifetime value (LTV) analysis ends up being a justification for too much spending on non-organic marketing.

youdao