But the long-term strength and reliability of adhesives has not been proved, so most people who work in glass think an all-glued structure is a long way off.

但是粘接技术的长期强度和可靠性还未得到证明。因此许多玻璃相关产业的从业人员都认为全粘接的结构还有很长的路要走。

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This proved wishful thinking as, too often, shareholders opted for quick profits rather than long-term returns.

现在这被证明为痴心妄想，股东通常会选择快速盈利而不是长期回报。

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The Guardian understands the dramatic increase in security was carried out on the basis of an alert that came from a long-term intelligence source who has proved reliable in the past.

据卫报了解，这种安保力量的戏剧性增长是在一项长期情报源发出警告后实行的，在过去，这一情报源已证实了它的可靠性。

youdao

In too many cases, either the failing CEO remained in place too long or the successor proved incapable over the long term.

FORBES: The Risks Of CEO Succession

His bold decision to separate interest-rate changes from short-term political calculations has proved an unqualified success.

ECONOMIST: Britain has a two-faced chancellor

Big Brussels initiatives to arrest Europe's long-term economic decline have proved ineffectual.

ECONOMIST: Angela Merkel and the euro