Small businesses are losing out to the large chains.
小商店被大型的连锁店抢了生意。
From tiny street vendors to large chains, a huge number of businesses in Beijing accept mobile payments, mostly through popular apps Alipay and WeChat.
在北京，小到街头小贩，大至连锁商店，许许多多的商家都接受移动支付，主要通过支付宝和微信这两个比较普及的应用。
Cells are bags full of proteins and all proteins are formed by large chains of amino acids.
细胞就像装满了蛋白质的口袋，所有的蛋白质都是由氨基酸长链构成的。
Cells are bags full of proteins and all proteins are formed by large chains of amino acids.
细胞就像装满了蛋白质的口袋，所有的蛋白质都是由氨基酸长链构成的。
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