1. 提到：at the market 照市价 | at the mention of 提到 | at the mercy of 受支配

2. 一提到：at random 随机地,随意地 | at the mention of 一提到 | at the sight of 一见到

3. 提到,说到：at the market || 照市价 | at the mention of || 提到,说到 | at the mercy of || 受支配

4. 在提到......时,一提到：
31) mention 提到, 谈及 |
32) at the mention of 在提到......时,一提到...... |
33) approximate cost 大约的费用