Goods and services in a value chain flow from left to right, starting from raw materials, passing through value-adding intermediaries, and ending at end-customer consumers.

价值链中的货物及劳务从左到右流动，从原材料出发，经过增值的中介，并终止于终端客户消费者。

youdao

Take the wide end with your left hand and bring it to your left and then behind the knot-passing it off to your right hand.

最后用你的左手把宽的一边拉到左边，再放到结后面，然后用右手接住。

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If you're in the Middle East, India, or Africa, be careful not to use your left hand when eating and passing food - only use the right.

你要是在中东地区、印度或是非洲，小心别用左手吃东西或传递食物，一定要只用右手。

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But Berrigan and a physical Hull stood strong in defence as much as Harris probed left and right with his passing and Thackray drove forward at the front when he could to relieve the stress.

BBC: Bradford 16-22 Hull