1.Consider it a life long investment.
把它当作一辈子的事业来投入。
2.For insurance firms with a very long investment horizon, the logic of buying on the dips is financial as well as patriotic.
对于投资期限很长的保险公司来说，抄底买入的逻辑既符合其经济利益，又体现其爱国精神。
3.The most likely candidates: low expenses, tight risk controls, long investment horizons and managers with long tenure.
最有可能的因素包括：低成本、严格的风险控制、长远的投资计划、任期较长的经理。
4.But like gold, silver has also witnessed a surge in speculative long investment on the Comex futures exchange.
不过在纽约商品期货交易所（COMEX），对白银的投机性多头仓位飙升，这一点则与黄金相似。