zài / shì / chǎng / jìng / zhēng / zhōng / cǐ / xiāo / bǐ / zhǎng / shì / hěn / cháng / jiàn / de / xiàn / xiàng

在市场竞争中，此消彼长是很常见的现象。

In market competition, it is common for one side to decline while the other flourishes.