我哥哥在柏林工作了三年。

wǒ gēge zài bólín gōngzuò le sān nián.

My older brother worked in Berlin for three years.

柏林的冬天特别冷，你要多穿点。

bólín de dōngtiān tèbié lěng, nǐ yào duō chuān diǎn.

Winters in Berlin are especially cold; you should wear more clothes.

下个月我打算去柏林旅游。

xià gè yuè wǒ dǎsuàn qù bólín lǚyóu.

I plan to travel to Berlin next month.