因为在市中心，常常堵车，所以打车很不方便。

Yīnwèi zài shìzhōngxīn, chángcháng dǔchē, suǒyǐ dǎchē hěn bù fāngbiàn.

Because in the center of the city, there's often traffic, so calling a cab isn't convenient.

如果你在市中心住，那么你可以走路去上班。

Rúguǒ nǐ zài shìzhōngxīn zhù, nàme nǐ kěyǐ zǒulù qù shàngbān.

If you live downtown, you can walk to work.

因为在市中心常常堵车所以打车很不方便。

Yīnwèi zài shìzhōngxīn chángcháng dǔchē suǒyǐ dǎchē hěn bù fāngbiàn.

Because in the center of the city, there's often traffic, so calling a cab isn't convenient.