No cause evident, but rails to not just zig and zag suddenly without cause.

没有明显的起因，但是铁轨不会无缘无故地突然变成之字形。

youdao

The teenage Obama also left a self-composed photograph titled Still Life, featuring a turntable, a beer bottle, a basketball figure, a matchbook and a packet of Zig Zag cigarette papers.

十几岁的Obama 还留下了一张自己拍的照片，取名叫“静物”。 照片中包含了一个转盘、一只啤酒瓶、一个篮球雕塑、一盒纸板火柴以及一包Zig Zag的烟纸。

youdao

All shops were shuttered, various objects acted as makeshift roadblocks, including upturned bus shelters, litter bins and bricks making cars zig-zag around them.

所有商店都被关闭，各式各样物品被用来充当临时路障，其中包括被掀翻的公车候车亭，垃圾桶以及用以让汽车行驶的“之”字形隔离通道的砖块。

youdao

It's impossible to predict how the Dow, that popular barometer of the stock market, will zig and zag from here.

NPR: So The Dow Hit A Record; Now Where Do We Go?

That same year he was laughed out of the BMG boardroom when he proposed a deal with Zig and Zag, two morning chat show puppets.

FORBES: Idolatry

To embrace the up-and-down nature of markets by journeying, understanding that while the ultimate goals are higher and further, the path will rise and fall, zig and zag.

FORBES: Throw Out Your Plans for 2013. Business Is a Journey.