Take the bottom section of the wrap and fold it upwards, followed by left to right folds of the wrap.

拿起卷皮的底部向上折叠，然后从左到右折叠。

Those heading to even numbered floors travel in the upper car, while those seeking an odd-numbered floor taking the bottom.

前往偶数层的乘客乘坐上层轿厢，而前往奇数层的乘客乘坐底层轿厢。

" Bottoms up" means that you take the bottom of your glass and you have to drink everything in it so that it is up – facing up.

“Bottoms up”意思是你拿杯子的底部，你必须把里面的所有东西都喝完，这样它就朝上了——面朝上。