It seemed surprising to me that such a passive kind of interaction could be so useful.

令人惊奇的是，这样一种被动的交流方式竟如此有用。

youdao

Elsewhere the students enjoy great moral support, but of the passive kind.

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So what that argues for is kind of owning a passive array of the world market and just sitting on it, and not trying to be too cute.

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Mann also noted that ETF market makers are participating in equity markets freshly rebuilt on volume-based incentives, not exactly the kind of bait that would attract long-term holders in passive index investments.

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