Street vendor lies in the lowest layer in the self-employment group, and has little chance to move upwards.

地摊经营者处于自雇佣阶层的底层，不具有向上流动的机会。

youdao

The emphasis in Kundalini is on the breath in conjunction with physical movement, with the purpose of freeing energy in the lower body and allowing it to move upwards.

该流派讲究用呼吸协助体式练习，以把沉积在身体下部分的自由能量往上引导为目的。

youdao

Less dense substances move upwards to form a crust.

密度小的物质向上浮动并形成一层皮。

《牛津词典》

According to analysts, boosted by higher expected demand in 2012, rents should continue to move upwards in Rio.

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And China needs to allow its currency to move upwards, not just to help the rest of the world, but also to rebalance its own overheating economy.

ECONOMIST: The dollar

"They should be using their market power and coordinating with other retailers, to move the entire apparel industry upwards in Bangladesh, " he said.

WSJ: Trade group slams safety pact for Bangladesh