- sound business practices
- 健全: sound; sane; perfect
- 的: 4次方是 The fourth power of 2 i ...
- 商业惯例: commercial practice; busines ...
- 惯例,商业惯例: custom
- 商业惯例: busine practice; business practice; commercial custom; commercial practice; commercial usage; mercantile usages; unage of trade; commercial; usage of trade
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