英语语法分析

Now vacancy rates are at 10.9%, a level not seen since 1991, according to Reis, a.

现在，据房产分析师Reis称，大商场的空置率在10.9%，这一数字为1991年来所仅见。

Now vacancy rates are at 10.9%, a level not seen since 1991, according to Reis, a property analyst.

雷斯（Reis）是一位物业分析师，据他所言，现在路边商城的空置率达到了10.9％，这是自1991年以来未曾出现过的现象。

Back to the technical track, Reis broke down the list of usual quality consideration suspects when it comes to polysilicon.

回到技术方面，雷斯打破了当谈到多晶硅常见的质量疑虑。