And secondly, it has low cost, because you know you only need to pay the fee of Internet service.
第二点则是它的成本比较低,你知道只需付网费就够了。
PS adhesive made from waste foamed PS can replace polyvinyl Acetate emulsion adhesive, it has low cost and good performance.
收旧利废制成的PS胶,能替代白乳胶,成本低廉,性能优良。
Fred: Firstly, it is convenient. And secondly, it has low cost, because you know you only need to pay the fee of Internet service.
佛瑞德:第一点,那就是方便第二点则是它的成本比较低,你知道只需付网费就够了,网费很便宜。
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