Last week I mentioned a strategy called 'covered calls,' which involves the simultaneous purchase of a stock and selling calls of the corresponding option.
上周我提到一种策略，就是在买进股票的同时卖出该股的看涨期权。
Remember, I selected raidz2 that allowed up to two simultaneous hard drive failures.
请记住，我选择了 raidz2，它允许最多两个硬盘驱动器同时失败。
He envisioned hybrid applications that would allow users to take simultaneous advantage of the interne-t and their own machines' -capa-bil-i-ties.
他设想能让用户同时利用Internet和他们自己机器能力的混合应用。
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