The price quoted was for the small lot you named,5 metric tons; we can offer you10% off for a150-ton lot.
这一价格是针对你方5吨小批量订货的,如果订150吨,我们可降价10%。
Britain changed to a metric system of currency in 1970.
1970年英国已改用公制货币.
Most countries adopt metric system.
大多数国家采用米制。