易混淆的单词： aTAtAT

Our nation is at war .

我们的国家在战争。

Wearing sunglasses only at midday .

只在中午戴太阳镜。

Multiple forces are at work .

多种力量在起作用。

Eat at home most nights .

晚餐在家里吃。

But there is more at stake .

但问题还不止于此。